Difference between revisions of "Language/Multiple-languages/Culture/Internet-resources-for-polyglots"

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<div class="pg_page_title">Free Internet Resources for Polyglots</div>  
<div class="pg_page_title">Free Internet Resources for Polyglots - {{CURRENTYEAR}}</div>  
[[File:website-polyglots.jpg|thumb]]
[[File:website-polyglots.jpg|thumb]]
Hello polyglots, 😀 
Polyglots are individuals who are able to speak multiple languages fluently. With the rise of the internet and technology, there are now numerous online free resources and [https://polyglotclub.com/language/tool tools] available for polyglots to improve their language skills and connect with other language enthusiasts. This article aims to provide an overview of the most useful internet resources for polyglots, including language learning websites, forums, and social media communities. Whether you are a beginner or a seasoned polyglot, these resources can help you take your language skills to the next level and further your language journey.
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<blockquote>
<blockquote>
* Links with “!!!!” are the most important resources for you if you don't know English well;  
* Links with “!!!!” are the most important resources for you if you don't know English well;  
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</blockquote>


Hello polyglots, 😀 
The Internet is a giant treasure. It provides so many free services. 
On this page we have listed the sites that offer the most useful services for polyglots.


This page has a child: [[Language/Multiple-languages/Culture/Internet-resources-for-learning-specific-languages]].
This page has a child: [[Language/Multiple-languages/Culture/Internet-resources-for-learning-specific-languages]].


__TOC__
__TOC__
Welcome to our lesson on "Multiple-languages Culture → Internet resources for polyglots"! 🌍 In this lesson, we will explore various online resources that can help you enhance your language learning journey and dive deeper into the fascinating world of polyglots. After completing this lesson, you can also check out other related pages, such as our [[Language/Multiple-languages/Culture/The-Polyglot-Club-Team|Polyglot Club Team]] page, where you can learn more about the people behind the scenes who are passionate about multiple languages and cultures.
If you're interested in learning how to study languages more effectively, don't miss our guide on [[Language/Multiple-languages/Culture/How-to-Study-with-a-Markup-Language|studying with a markup language]], which can help you organize your language learning materials in a more structured way. And for those who love video games, we have a special treat for you! Discover how you can explore real-life locations through [[Language/Multiple-languages/Culture/Video-Games-with-Real%E2%80%90Life-Locations|video games with multiple languages and cultures]]! 🎮


So, let's dive into the world of polyglots and explore the best internet resources to help you become a true language enthusiast!
== -- Introduction -- ==
== -- Introduction -- ==
=== Advices ===
=== Advices ===
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If you want to do creative work to help others to learn languages and to know about cultures, please visit [[Language/Multiple-languages/Culture/Productivity-tools-for-polyglots]].
If you want to do creative work to help others to learn languages and to know about cultures, please visit [[Language/Multiple-languages/Culture/Productivity-tools-for-polyglots]].


If you see GitHub or GitLab links, please notice that the download icons mean to download the source code. Unless its language is [https://stackoverflow.com/questions/3265357/compiled-vs-interpreted-languages interpreted] like Python and Perl, you will need to build the program on your own. Links to download binaries (built programs) are elsewhere like “Releases” or links in the README.MD file. If you see there are multiple links in “Releases”, select the link with your corresponding operating system, CPU architecture and other clues in its filename. “md5”, “sha256”, “sha512”, etc. are checksum formats, which can be used to check the integrity of the downloaded file.
It is not recommended to put some banner like “featured in Polyglot Club” on your website, because this list is dynamic.
 
It is highly recommended to have privacy protections on. An open-source website on privacy: https://privacyguides.org/
 
=== Tips ===
Some programs require the use of command-line. There is an article about [https://www.lifewire.com/how-to-open-command-prompt-2618089 how to do it on Windows]. If you use Linux, you may use [https://sites.google.com/site/pleyadestest/david/projects/sakura Sakura], for its lightweight being and good Unicode support; If you want to customise the font in command line on Windows, you can use [https://conemu.github.io/ ConEmu].
 
Some programs split words in a sentence with spaces. In this case, texts in Chinese, Japanese, Thai, Vietnamese and other languages need a [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Introduction-to-some-language-tools#Word_segmentation word segmentation].
 
The customisation of some programs require a text editor. It is recommended to use [https://www.geany.org/ Geany], because it is lightweight and has useful shortcuts like “Ctrl + D” to duplicate a line.
 
See if you are downloading the binary file or the source code. Unless its language doesn't require compilation, you would need to build the program on your own with the source code. Links to download binaries (built programs) are elsewhere like “Releases” or links in the README.MD file. If you see there are multiple links in “Releases”, select the link with your corresponding operating system, CPU architecture and other clues in its filename. The “amd64” and “x86_64” have minor differences and are usually considered the same when describing a binary. “md5”, “sha256”, “sha512”, etc. are checksum formats, which can be used to check the integrity of the downloaded file. You can use the open-source tool [https://gtkhash.org/ GtkHash] to check the integrity of the files with the same name of the checksum files.


If you see SourceForge, you may simply click on the “Download” button. In some cases, the downloaded file is not what you want. Then you need to find it out in “Files”.
If you see SourceForge, you may simply click on the “Download” button. In some cases, the downloaded file is not what you want. Then you need to find it out in “Files”.


To run a program is written in JavaScript, there is [https://fireship.io/courses/javascript/beginner-js-where-to-run/ a guide].
If you don't see an executable file in the program, then you may have to run it in another way:
* C/C++: Download [https://gcc.gnu.org/ GNU Compiler Collection] or [https://clang.llvm.org/ Clang]/[https://llvm.org/ LLVM] for advanced users. There is a [https://www.programiz.com/cpp-programming/getting-started guide].
* Python: Download [https://www.python.org/ Python] and install packages with its package manager pip, or [https://www.pypy.org/ PyPy] for advanced users. There is a [https://www.pythonforbeginners.com/development/how-run-your-python-scripts guide].
* JavaScript/TypeScript: Download [https://nodejs.org/ Node.js] or [https://deno.com/ Deno] for advanced users. There are package managers like [https://pnpm.io/ pnpm] that may perform better than the default npm. There is a [https://fireship.io/courses/javascript/beginner-js-where-to-run/ guide].
* Java: Download [https://www.java.com/ Java] and use [https://sdkman.io/ SDKMAN] to manage Software Development Kits for advanced users. There is a [https://www.maketecheasier.com/run-java-program-from-command-prompt/ guide].
* Rust: Download [https://www.rust-lang.org/ Rust]. There is a [https://www.rust-lang.org/learn/get-started guide].
* Go: Download [https://go.dev/ Go]. There is a [https://go.dev/ guide].
* Dart: Download [https://dart.dev/ Dart]. There is a [https://dart.dev/tutorials/server/get-started guide].
* Perl: Download [https://www.perl.org/get.html Perl]. There is a [https://www.thoughtco.com/how-to-install-and-run-perl-2641103 guide].
* Ruby: Download [https://www.ruby-lang.org/ Ruby]. There is a [https://www.rubyguides.com/ruby-tutorial/ guide].
* Haskell: Download [https://www.haskell.org/ Haskell]. There iss a [https://www.haskell.org/get-started/ guide].


If a resource is using Electron.js, it means bloat, because Electron.js can be used to create cross-platform programs easily, but it means to integrate a Chromium in every program, which means bloat. What's more, it has been depending on Node.js, which has been having the background of political activism (Black Lives Matter). Political activism can cause unexpected damage, like [https://www.riskbasedsecurity.com/2022/03/28/node-ipc-and-the-rise-of-protestware/ node-ipc by RIAEvangelist on GitHub]. Also, GitHub has the background of political activism (pro-Ukraine).
JavaScript and some other languages support running something with two programs: a server and a client. You need to start the server, then access the server with the client.


See if the program is updated recently. If a program is using Java and is using Apache Log4j 2 and has not been updated since 2021.12.09, then anyone should avoid it.  
JavaScript programs often utilise Electron.js to have cross-platform support easily, which integrates a Chromium in every program and occupies a lot of resources.


It is not recommended to put some banner like “featured in Polyglot Club” on your website, because this list is dynamic.
Java relies on a virtual machine, which is an emulator of a computer system and requires some more system resources.


It is highly recommended to have privacy protections on. An open-source website on privacy: https://privacyguides.org/
See if the program is updated recently. Outdated programs may be no longer reliable, because they may rely on something else, like another program or a webpage, which can become invalid with the change of time. It may also contain security loopholes that were not discovered at that time and discovered now.


=== Tips ===
Political activism can motivate people to cause unexpected damage, like [https://securityaffairs.co/129174/hacking/node-ipc-npm-package-sabotage.html node-ipc by RIAEvangelist on GitHub].
Some programs need to use the command line. There is an article about [https://www.lifewire.com/how-to-open-command-prompt-2618089 how to do it on Windows].


=== Resource Selection Criteria ===
=== Resource Selection Criteria ===
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== <div style="color:#119922; font-weight:bold;">Blue Light Filter & Dark Mode</div> ==
== <div style="color:#119922; font-weight:bold;">Blue Light Filter & Dark Mode</div> ==


<hr><big><big> !! https://github.com/Fushko/gummy </big></big>
<hr><big><big> !! https://codeberg.org/fusco/gummy </big></big>


Filter for Linux. It is open-source.
Filter for Linux. It is open-source.
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Filter for Android. It is open-source.
Filter for Android. It is open-source.


<hr><big><big> !! http://jonls.dk/redshift/</big></big>
<hr><big><big> !! https://codeberg.org/ltguillaume/redshift-tray </big></big>
 
Filter for desktop. It is open-source.


There is a [https://github.com/ltGuillaume/Redshift-Tray Redshift Tray] for Windows.
Filter for Windows. It is open-source.


<hr><big><big> !! https://darkreader.org/ </big></big>
<hr><big><big> !! https://darkreader.org/ </big></big>
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➡ [https://polyglotclub.com/language.php?tool_id=7 Write a review]
➡ [https://polyglotclub.com/language.php?tool_id=7 Write a review]


<hr><big><big> !! https://github.com/adrcotfas/Goodtime </big></big>
<hr><big><big> !! https://hovancik.net/stretchly/ </big></big>
 
Rest reminder with macOS releases. It is open-source.
 
<hr><big><big> !! https://github.com/WinTenDev/rminder </big></big>


Pomodoro timer on Android. It is open-source.
Reminders for Chromium/Chrome. It is open-source.


<hr><big><big> !! https://gitlab.com/axet/android-hourly-reminder </big></big>
<hr><big><big> !! https://gitlab.com/axet/android-hourly-reminder </big></big>


Repeating timer. It alarms every hour or even minute. This reminds you how a minute passes by. It is open-source.
Repeating timer. It alarms every hour or even minute. This reminds you how a minute passes by. It is open-source.
<hr><big><big> !! https://bdt.jepfa.de/ </big></big>
Break down a period of time to equal slices on Android. It is open-source.
<hr><big><big> !! https://github.com/mattvchandler/ProgressBars  </big></big>
Progress bars on Android. It is open-source.


<hr><big><big> !! https://github.com/thetwom/toc2 </big></big>
<hr><big><big> !! https://github.com/thetwom/toc2 </big></big>
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Metronome on Windows. It is open-source.
Metronome on Windows. It is open-source.


== <div style="color:#119922; font-weight:bold;">Self-Control Helper</div> ==
== <div style="color:#119922; font-weight:bold;">Work-Break Timer</div> ==


<hr><big><big> !! https://www.proginosko.com/leechblock/ </big></big>
<hr><big><big> !! https://zidoro.github.io/pomatez/ </big></big>


Browser add-ons for blocking websites. It is open-source.
Simple work-break timer on desktop. It is open-source.


<hr><big><big> !! https://timelimit.io/ </big></big>
<hr><big><big> !! https://github.com/ayoisaiah/focus </big></big>


Limit your app using time for Android. It is open-source.
Work-break timer in command-line. It is open-source.


<hr><big><big> !! https://detoxdroid.flx-apps.com/ </big></big>
<hr><big><big> !! https://github.com/adrcotfas/Goodtime </big></big>


Some other measures to help you on Android. Need to use a PC to enable developer mode. It is open-source.
Work-break timer on Android. It is open-source.


It can be downloaded from [https://f-droid.org/en/packages/com.flx_apps.digitaldetox/ F-droid].
== <div style="color:#119922; font-weight:bold;">Activity Tracker</div> ==


<hr><big><big> !! https://selfcontrolapp.com/ </big></big>
<hr><big><big> https://activitywatch.net/ </big></big>


Block websites for Mac. It is open-source.
Track your own desktop activity. It is open-source.


== <div style="color:#119922; font-weight:bold;">Activity and Habit Tracker</div> ==
<hr><big><big> !! https://github.com/rybak/resoday </big></big>


<hr><big><big> https://activitywatch.net/ </big></big>
Habit calendar on desktop. It is open-source.


Track your own activity. It is open-source.
<hr><big><big> !! https://codeberg.org/fynngodau/usageDirect </big></big>


<hr><big><big> https://github.com/markusfisch/ScreenTime </big></big>
It shows your app usage on Android. It is open-source.
 
Screen time tracker on Android. It is open-source.


<hr><big><big> https://codeberg.org/fynngodau/usageDirect </big></big>
<hr><big><big> !! https://codito.github.io/habito/ </big></big>


It shows your app usage on Android. It is open-source.
Habit tracker in command line. It is open-source.


<hr><big><big> !! https://github.com/SamAmco/track-and-graph </big></big>
<hr><big><big> !! https://github.com/SamAmco/track-and-graph </big></big>


Habit tracker with graphs for Android. It is open-source.
Habit tracker with graphs on Android. It is open-source.


<hr><big><big> !! https://github.com/iSoron/uhabits </big></big>
<hr><big><big> !! https://github.com/Razeeman/Android-SimpleTimeTracker </big></big>


Simple habit tracker for Android. It is open-source.
Timer for activities on Android. It is open-source.


<hr><big><big> !! https://github.com/Glitchy-Tozier/githo </big></big>
<hr><big><big> !! https://github.com/iSoron/uhabits </big></big>


Form a habit, step by step, on Android. It is open-source.
Simple habit tracker on Android. It is open-source.


<hr><big><big> !! https://gottcode.org/kapow/ </big></big>
<hr><big><big> !! https://gottcode.org/kapow/ </big></big>


Timer for activities. It can also generate a report. It is open-source.
Timer for activities on desktop. It can also generate a report. It is open-source.


<hr><big><big> !! https://github.com/albertvaka/bettercounter </big></big>
<hr><big><big> !! https://github.com/appstome/timetome-app </big></big>


Counter for activities on Android. It is open-source.
Timer for activities on Android. It is open-source.


<hr><big><big> !! https://vmiklos.hu/plees-tracker/ </big></big>
Its timer doesn't stop, so if you would like to do anything untracked, you need to select “other” and that category is tracked as well.
 
<hr><big><big> !! https://github.com/Glitchy-Tozier/githo </big></big>


Tracker of sleeping time for Android. It is open-source.
Form a habit step by step on Android. It is open-source.


<hr><big><big> !! https://github.com/Destaq/language-learning-dashboard </big></big>
<hr><big><big> !! https://github.com/Destaq/language-learning-dashboard </big></big>
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Dashboard for language learning, requiring some programming knowledge. It is open-source.
Dashboard for language learning, requiring some programming knowledge. It is open-source.


== <div style="color:#119922; font-weight:bold;">Brain Training</div> ==
== <div style="color:#119922; font-weight:bold;">Self-Control Helper</div> ==
'''Notice: Whether brain training works or not is still controversial. If you don't believe it works, please skip this section.'''


<hr><big><big> https://wiki.gnome.org/action/show/Apps/gbrainy </big></big>
<hr><big><big> !! https://safing.io/ </big></big>


Mini-games. It is open-source.
Firewall for blocking Internet traffic for Desktop. It is open-source.


<hr><big><big> http://brainworkshop.sourceforge.net/ </big></big>
<hr><big><big> !! https://github.com/anfragment/zen </big></big>


Dual n-back. It is open-source.
Internet traffic filter list on desktop. It is open-source.


Its latest version 4.8.7 is not available on the website, but on the [https://sourceforge.net/projects/brainworkshop/files/brainworkshop/Brain%20Workshop%204.8/ SourceForge page].
<hr><big><big> !! https://rethinkdns.com/ </big></big>


<hr><big><big> https://github.com/vivekthazhathattil/dekadico </big></big>
Firewall for blocking Internet traffic on Android. It is open-source.


Memory trainer with numbers. It is open-source.
<hr><big><big> !! https://launchpad.net/timekpr-next </big></big>


== <div style="color:#119922; font-weight:bold;">Workout</div> ==
Limits the using times with a schedule for Linux. It is open-source.


<hr><big><big> !! https://github.com/oliexdev/openWorkout </big></big>
<hr><big><big> !! https://www.proginosko.com/leechblock/ </big></big>


Workout assistant for Android with animations or videos. It is open-source.
Browser add-ons for blocking websites. It is open-source.


== <div style="color:#119922; font-weight:bold;">Eating</div> ==
<hr><big><big> !! https://selfcontrolapp.com/ </big></big>


<hr><big><big> https://codeberg.org/epinez/Energize/ </big></big>
Block websites for Mac. It is open-source.


Nutrition tracker for Android. It is open-source.
<hr><big><big> !! https://timelimit.io/ </big></big>


<hr><big><big> https://world.openfoodfacts.org/ </big></big>
Limit your app using time for Android. It is open-source.


Information about food nutrition.
<hr><big><big> !! https://detoxdroid.flx-apps.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Relaxation & Meditation</div> ==
Some other measures to help you on Android. Need to use a PC to enable developer mode. It is open-source.


<hr><big><big> !! https://www.freesoundslibrary.com/ </big></big>
It can be downloaded from [https://f-droid.org/en/packages/com.flx_apps.digitaldetox/ F-droid].


It has more than 200 ambient sounds for download. Turn loop on and enjoy.
<hr><big><big> !! https://github.com/sweakpl/unlock-master </big></big>


<hr><big><big> !! https://github.com/yuttadhammo/BodhiTimer </big></big>
Limit your mobile phone usage. It is open-source.


Meditation timer. It is open-source.
It can be downloaded from [https://apt.izzysoft.de/fdroid/index/apk/com.sweak.unlockmaster IzzyOnDroid].


<hr><big><big> !! https://github.com/Mr-Kumar-Abhishek/brain-beats </big></big>
== <div style="color:#119922; font-weight:bold;">Brain Training</div> ==
'''Notice: Whether brain training works or not is still controversial. If you don't believe it works, please skip this section.'''


Binaural beats and more for desktop. It is open-source.
<hr><big><big> https://wiki.gnome.org/action/show/Apps/gbrainy </big></big>


<hr><big><big> !! https://gitlab.com/axet/android-binaural-beats </big></big>
Mini-games. It is open-source.


Binaural beats for Android. It is open-source.
<hr><big><big> http://brainworkshop.sourceforge.net/ </big></big>


<hr><big><big> !! https://sites.google.com/view/jithware </big></big>
Dual n-back. It is open-source.


Meditation helper with breath control for Android. It is open-source.
Its latest version 4.8.7 is not available on the website, but on the [https://sourceforge.net/projects/brainworkshop/files/brainworkshop/Brain%20Workshop%204.8/ SourceForge page].


== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Input-methods <u>Keyboard</u>]</div> ==
<hr><big><big> https://github.com/vivekthazhathattil/dekadico </big></big>


<hr><big><big> !! https://colemak.com/ </big></big>
Memory trainer with numbers. It is open-source.


This one supports a lot of languages in Latin script, but it means to learn typing again. [https://waddles.org/2007/04/21/switching-to-colemak-part-4/ It is worth it]. You may have noticed that “Kolemak” is even better than Colemak. How to modify keyboards will be discussed below.
== <div style="color:#119922; font-weight:bold;">Workout</div> ==


[https://commons.wikimedia.org/wiki/File:KB_US-Colemak_with_AltGr.svg A better layout image].
<hr><big><big> !! https://github.com/oliexdev/openWorkout </big></big>


Note that the download link on the home page is “Caps Lock Unchanged”. The idea of replacing Caps Lock with Backspace is great because of its convenience to press Backspace, but having it unchanged is generally better because it's punitive to press Backspace, urging you to make fewer misspellings.
Workout assistant for Android with animations or videos. It is open-source.


There is a flaw of no “„” or “‚”. You can replace “÷” and “×” with them. Also, the positions of single and double quotation marks only benefit British people for not pressing Shift. You can exchange their positions, too.
== <div style="color:#119922; font-weight:bold;">Eating</div> ==


*[https://www.microsoft.com/en-us/download/details.aspx?id=102134 Microsoft Keyboard Layout Creator] for Windows;
<hr><big><big> https://codeberg.org/epinez/Energize/ </big></big>
*[https://karabiner-elements.pqrs.org/ Karabiner-Elements] for macOS;
*[https://karols.github.io/blog/2013/11/18/creating-custom-keyboard-layouts-for-linux/ A guidance] for Linux.


If you want to type even more characters, you will need the autocorrection, which can turn multiple characters into one.
Nutrition tracker for Android. It is open-source.


*[https://autohotkey.com/ AutoHotkey] for Windows, [https://www.youtube.com/watch?v=n_9-QkD-zJ4 a video about it];
<hr><big><big> https://world.openfoodfacts.org/ </big></big>
*[https://support.apple.com/guide/automator/welcome/mac Automator] for macOS, [https://www.youtube.com/watch?v=Z56PBanBSx4 a video about it];
*[https://github.com/autokey/autokey AutoKey] for Linux, [https://www.youtube.com/watch?v=I9-Rj5P1dq8 a video about it].


There is [https://colemakmods.github.io/mod-dh/ a modified version] and [https://forum.colemak.com/topic/1458-locale-colemak-variants-for-several-countries-the-edreymar-way/ local variants].
Information about food nutrition.


<hr><big><big> https://bepo.fr/wiki/Accueil </big></big>
== <div style="color:#119922; font-weight:bold;">Relaxation & Meditation</div> ==


Based on French, giving consideration to European languages. But if you don't type French much, it might be not ideal.
<hr><big><big> !! https://www.freesoundslibrary.com/ </big></big>


No English translation for this site, but it doesn't matter, because this keyboard is generally pre-installed in common operating systems. You just need to find it in the “French” section of keyboard settings.
It has more than 200 ambient sounds for download. Turn loop on and enjoy.


<hr><big><big> https://forum.colemak.com/topic/519-rulemak-russian-colemak-layout/ </big></big>
<hr><big><big> !! https://github.com/rafaelmardojai/blanket </big></big>


Variant of Colemak for typing Cyrillic. It is available as source code. It is pre-installed on Linux, but it requires some effort as mentioned in the “Colemak” section to make sure it appears in the files. “Greek (Colemak)” is also available.
Play multiple audio files simultaneously on Linux. It is open-source.


For Windows, [http://pkl.sourceforge.net/ Portable Keyboard Layout] is required. Or you can use that keyboard creator to do it manually.
<hr><big><big> !!  https://github.com/CliffracerMerchant/SoundAura </big></big>


<hr><big><big> !! https://play.google.com/store/apps/details?id=kl.ime.oh </big></big>
Play multiple audio files simultaneously on Android. It is open-source.


It is lightweight and supports many languages, with many keyboard layouts. But it has problems, such as poor Japanese support.
<hr><big><big> !! https://github.com/yuttadhammo/BodhiTimer </big></big>


== <div style="color:#119922; font-weight:bold;">Typing</div> ==
Meditation timer. It is open-source.


<hr><big><big> !! https://github.com/max-niederman/ttyper </big></big>
<hr><big><big> !! https://github.com/Mr-Kumar-Abhishek/brain-beats </big></big>


Typing practice in command line. Lightweight and customisable. It is open-source.
Binaural beats and more for desktop. It is open-source.


See ‘usage’ in README.md to understand how to use customised list.
<hr><big><big> !! https://gitlab.com/axet/android-binaural-beats </big></big>


If you want to customise the font, you can use [https://conemu.github.io/ ConEmu].
Binaural beats for Android. It is open-source.


== <div style="color:#119922; font-weight:bold;">Shortcut</div> ==
<hr><big><big> !! https://sites.google.com/view/jithware </big></big>


<hr><big><big> !! https://en.wikipedia.org/wiki/Table_of_keyboard_shortcuts </big></big>
Meditation helper with breath control for Android. It is open-source.


Keyboard shortcuts in general.
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Input-methods <u>Keyboard</u>]</div> ==


<hr><big><big> !! https://defkey.com/ </big></big>
<hr><big><big> !! https://colemak.com/ </big></big>


Keyboard shortcuts for specific programs.
This one supports a lot of languages in Latin script, but it means to learn typing again. [https://waddles.org/2007/04/21/switching-to-colemak-part-4/ It is worth it]. You may have noticed that “Kolemak” is even better than Colemak. How to modify keyboards will be discussed below.


== <div style="color:#119922; font-weight:bold;">All-in-One Productivity</div> ==
[https://commons.wikimedia.org/wiki/File:KB_US-Colemak_with_AltGr.svg A better layout image].


<hr><big><big> !! https://github.com/mhss1/MyBrain </big></big>
Note that the download link on the home page is “Caps Lock Unchanged”. The idea of replacing Caps Lock with Backspace is great because of its convenience to press Backspace, but having it unchanged is generally better because it's punitive to press Backspace, urging you to make fewer misspellings.


All-in-One productivity for Android. It is open-source.
There is a flaw of no “„” or “‚”. You can replace “÷” and “×” with them. Also, the positions of single and double quotation marks only benefit British people for not pressing Shift. You can exchange their positions, too.


== <div style="color:#119922; font-weight:bold;">To-Do-List & Task Calendar</div> ==
There is [https://colemakmods.github.io/mod-dh/ a modified version] and [https://forum.colemak.com/topic/1458-locale-colemak-variants-for-several-countries-the-edreymar-way/ local variants].


<hr><big><big> !! https://www.taskcoach.org/ </big></big>
<hr><big><big> https://bepo.fr/wiki/Accueil </big></big>


Simple to-do-list. It is open-source.
Based on French, giving consideration to European languages. But if you don't type French much, it might be not ideal.


<hr><big><big> !! https://abstractspoon.com/wiki/doku.php?id=todolist-description </big></big>
No English translation for this site, but it doesn't matter, because this keyboard is generally pre-installed in common operating systems. You just need to find it in the “French” section of keyboard settings.


Complex to-do-list. It is open-source.
<hr><big><big> https://forum.colemak.com/topic/519-rulemak-russian-colemak-layout/ </big></big>


<hr><big><big> !! https://super-productivity.com/ </big></big>
Variant of Colemak for typing Cyrillic. It is available as source code. It is pre-installed on Linux, but it requires some effort as mentioned in the “Colemak” section to make sure it appears in the files. “Greek (Colemak)” is also available.


Good-looking schedule with a pomodoro timer. It is open-source.
For Windows, [http://pkl.sourceforge.net/ Portable Keyboard Layout] is required. Or you can use that keyboard creator to do it manually.


Electron.js is used.
<hr><big><big> !! https://play.google.com/store/apps/details?id=kl.ime.oh </big></big>


By the way, that “at a glance” video recording guy behaved so easy to understand with some college lecturers.
It is lightweight and supports many languages, with many keyboard layouts. But it has problems, such as poor Japanese support.


[https://www.youtube.com/watch?v=J8a5rA-Exmw A video about it].
<hr><big><big> !! https://github.com/Helium314/HeliBoard </big></big>


<hr><big><big> !! https://github.com/ransome1/sleek </big></big>
Keyboard on Android with initial CJKV support. It is open-source.


To-do-list based on [http://todotxt.org/ todo.txt]. It is open-source.
<hr><big><big> !! https://florisboard.org/ </big></big>


Electron.js is used.
Keyboard on Android with CJKV support in its beta version. It is open-source.


<hr><big><big> !! https://tasks.org/ </big></big>
== <div style="color:#119922; font-weight:bold;">Typing</div> ==


To-do-list on Android. It is open-source.
<hr><big><big> !! https://github.com/max-niederman/ttyper </big></big>


<hr><big><big> !! https://crazymarvin.com/to-dont/ </big></big>
Typing practice in command line with detailed statistics. It is open-source.


To-don't-list on Android. It is open-source.
<hr><big><big> !! https://github.com/bloznelis/typioca </big></big>


<hr><big><big> !! https://eck.cologne/peafactory/en/html/calendar_pea.html </big></big>
Typing practice in command line with a time limit. It is open-source.


Calendar program with encryption. Java is required. It is open-source.
<hr><big><big> !! https://github.com/Mithil467/mitype </big></big>


<hr><big><big> !! https://github.com/Etar-Group/Etar-Calendar </big></big>
See the replay of your typing session. It is open-source.


Calendar program. It is open-source.
<hr><big><big> !! https://github.com/plu5/retype </big></big>


== <div style="color:#119922; font-weight:bold;">Notebook</div> ==
Type books in EPUB format. It is open-source.


<hr><big><big> !! https://logseq.com/ </big></big>
== <div style="color:#119922; font-weight:bold;">Shortcut</div> ==


Knowledge manager with graphic view of nodes and flashcards. It has plugins including adding Anki Flashcards. It is open-source.
<hr><big><big> !! https://en.wikipedia.org/wiki/Table_of_keyboard_shortcuts </big></big>


Electron.js is used.
Keyboard shortcuts in general.


<hr><big><big> !! https://mindforger.com/ </big></big>
<hr><big><big> !! https://defkey.com/ </big></big>


Note, with hierarchy and tags, can be exported to CSV files. It is open-source.
Keyboard shortcuts for specific programs. Add “?pdfOptions=True” to the end of address to download its PDF.


<hr><big><big> !! https://github.com/zadam/trilium </big></big>
== <div style="color:#119922; font-weight:bold;">Cheat Sheet</div> ==


Advanced notebook with hierarchy, text formatting, link map, synchronization and encryption. Good for working. It is open-source.  
<hr><big><big> !! https://cheatography.com/ </big></big>


Electron.js is used.
Cheat sheets for programs.


This service has been having the background of political activism (pro-Ukraine).
<hr><big><big> !! https://github.com/gnebbia/kb </big></big>


<hr><big><big> !! https://www.giuspen.com/cherrytree/ </big></big>
Knowledge base of commands in command-line. It is open-source.


Hierarchical notebook with encryption. It is open-source.
== <div style="color:#119922; font-weight:bold;">Text Editor</div> ==


This service has been having the background of political activism (pro-Ukraine).
<hr><big><big> https://vscodium.com/ </big></big>


<hr><big><big> !! https://qosp.org/ </big></big>
Text editor with extensibility. It is open-source.


Simple note-taking app for Android. It is open-source.
With its extensions, you can do a lot with Markdown files. A single Markdown file can be a mind map and a list of flashcards at the same time, for example.


<hr><big><big> !! https://gsantner.net/project/markor.html </big></big>
<hr><big><big> !! https://www.geany.org/ </big></big>


Text editor with markdown and todo.txt supports on Android. It is open-source.
Text editor with features like replacing text in multiple files. It is open-source.


<hr><big><big> https://orgmode.org/ </big></big>
<hr><big><big> !! https://gottcode.org/focuswriter/ </big></big>


Plain text markup for GNU Emacs. It is open-source.
Text editor in full-screen with backgrounds. It is open-source.


<hr><big><big> !! https://eck.cologne/peafactory/en/html/notebook_pea.html </big></big>
<hr><big><big> !! https://micro-editor.github.io/ </big></big>


Write RTF files with encryption. Java is required. It is open-source.
Text editor in command-line. It is open-source.


<hr><big><big> !! https://xournalpp.github.io/ </big></big>
<hr><big><big> !! https://github.com/gsantner/markor </big></big>


Handwritten note editor. It is open-source.
Text editor with markdown and todo.txt supports on Android. It even has a “speed read” function. It is open-source.


<hr><big><big> !! https://docs.butterfly.linwood.dev/ </big></big>
<hr><big><big> https://github.com/doom-neovim/doom-nvim </big></big>


Note with handwriting. It is open-source.
Configuration for the text editor in command-line [https://neovim.io/ Neovim], with many keybindings to ensure high efficiency. It is open-source.


== <div style="color:#119922; font-weight:bold;">Wiki</div> ==
Tutorials are [https://www.openvim.com/ OpenVim], [https://github.com/iggredible/Learn-Vim Learn Vim], among others. Cheatsheet is [https://vim.rtorr.com/ Vim Cheat Sheet].


<hr><big><big> https://tiddlywiki.com/ </big></big>
<hr><big><big> https://github.com/doomemacs/doomemacs </big></big>


Non-linear Wiki on web that require some effort to install. It is open-source.
Configuration for the text editor in command-line [https://www.gnu.org/software/emacs/ GNU Emacs], with high extensibility. It is open-source.


Its add-on [http://tiddlymap.org/ TiddlyMap] can create mind maps, [https://tadeas.dev/twsr/ twsr] can generate flashcards.
Tutorial is [https://www.emacswiki.org/ EmacsWiki].


<hr><big><big> https://www.dokuwiki.org/dokuwiki </big></big>
== <div style="color:#119922; font-weight:bold;">Comprehensive Tool</div> ==


Wiki with many add-ons. It is open-source.
<hr><big><big> !! https://affine.pro/ </big></big>


<hr><big><big> !! https://www.zim-wiki.org/ </big></big>
Text and whiteboard. It is open-source.


Simple wiki. It is open-source.
<hr><big><big> !! https://super-productivity.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Diary</div> ==
Good-looking schedule with a pomodoro timer. It is open-source.


<hr><big><big> !! http://lifeograph.sourceforge.net/wiki/Main_Page </big></big>
[https://www.youtube.com/watch?v=J8a5rA-Exmw A video about it].


Diary for desktop. It is open-source.
<hr><big><big> !! https://xwmx.github.io/nb/ </big></big>


<hr><big><big> !! https://billthefarmer.github.io/diary/ </big></big>
Knowledge management in command-line. It is open-source.


Diary for Android. It is open-source.
<hr><big><big> !! https://jtx.techbee.at/ </big></big>


== <div style="color:#119922; font-weight:bold;">Timeline</div> ==
Journal, note, todo with tags on Android. It is open-source.


<hr><big><big> !! http://thetimelineproj.sourceforge.net/ </big></big>
<hr><big><big> !! https://github.com/mhss1/MyBrain </big></big>


Timeline. It is open-source.
All-in-One productivity on Android. It is open-source.


== <div style="color:#119922; font-weight:bold;">Mind Map</div> ==
== <div style="color:#119922; font-weight:bold;">Task Planner & To-Do-List</div> ==


<hr><big><big> !! https://docs.freeplane.org/ </big></big>
<hr><big><big> !! https://www.abstractspoon.com/ </big></big>


Fork of the discontinued [http://freemind.sourceforge.net/wiki/index.php/Main_Page FreeMind]. Java is required. It is open-source.
Versatile task planner on desktop. It is open-source.


[https://www.youtube.com/watch?v=nCfGAuHJk0s A video about it]; [https://www.youtube.com/watch?v=AKt9Bm9krBM another video about it].
<hr><big><big> !! https://www.taskcoach.org/ </big></big>


<hr><big><big> !! https://github.com/juzzlin/Heimer </big></big>
Simple task planner on desktop. It is open-source.


Simple and intuitive mind map. It is open-source.
<hr><big><big> !! https://github.com/v1tzor/TimePlanner </big></big>


== <div style="color:#119922; font-weight:bold;">Hierarchical Spreadsheet</div> ==
Task planner on Android. It is open-source.


<hr><big><big> !! https://strlen.com/treesheets/ </big></big>
<hr><big><big> !! https://eck.cologne/peafactory/en/html/calendar_pea.html </big></big>


It combines mind map, spreadsheet and other forms of data. It is open-source.
Task calendar with encryption on Android. It is open-source.


[https://www.youtube.com/watch?v=UB-saQZfrsw A video about it].
<hr><big><big> !! https://github.com/Etar-Group/Etar-Calendar </big></big>


== <div style="color:#119922; font-weight:bold;">Media Management</div> ==
Task calendar on Android. It is open-source.


<hr><big><big> !! https://www.tagspaces.org/ </big></big>
<hr><big><big> !! https://github.com/Sztorm/NoteCalendar </big></big>


File tagging. It is open-source.
Note calendar. It is open-source.


<hr><big><big> !! https://calibre-ebook.com/ </big></big>
<hr><big><big> !! https://github.com/ransome1/sleek </big></big>


E-Book management tool. It is open-source.
To-do-list based on [http://todotxt.org/ todo.txt]. It is open-source.


The main drawback is it has to keep a copy of your book in a central directory, which will cause duplication if you also keep the book elsewhere.
<hr><big><big> !! https://github.com/kraanzu/dooit </big></big>


<hr><big><big> !! https://github.com/mateusz-bak/openreads-android </big></big>
To-do-list in command-line with TUI. It is open-source.


E-Book tracker on Android. It is open-source.
<hr><big><big> !! https://taskwarrior.org/ </big></big>


== <div style="color:#119922; font-weight:bold;"> Web Table Extraction</div> ==
To-do-list in command-line. It is open-source.


<hr><big><big> !! https://www.libreoffice.org/ </big></big>
<hr><big><big> !! https://tasks.org/ </big></big>


Office suite with spreadsheet that can [https://help.libreoffice.org/6.0/en-US/text/scalc/guide/webquery.html capture web tables]. It is open-source.
To-do-list on Android. It is open-source.


<hr><big><big> !! https://merribithouse.net/copytables/ </big></big>
<hr><big><big> https://github.com/ribeirompl/144_blocks </hr></big></big>


Capture tables from webpages for Chrome and Safari. It is open-source.
Plan a day in 144 blocks. It is open-source.


<hr><big><big> !! https://github.com/nirantak/copytables </big></big>
== <div style="color:#119922; font-weight:bold;">Notebook</div> ==


Fork of Copytables for Firefox. It is open-source.
<hr><big><big> !! https://logseq.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">International Phonetic Alphabet</div> ==
Knowledge manager with graphic view of nodes and flashcards. It has plugins including adding Anki Flashcards. It is open-source.


<hr><big><big> !! https://www.internationalphoneticassociation.org/ </big></big>
<hr><big><big> !! https://joplinapp.org/ </big></big>


The site of the maker. The full IPA chart can be downloaded here. There is also a link to an interactive IPA chart.
Notes with end-to-end encryption and syncronisation. It is open-source.


<hr><big><big> !! https://easypronunciation.com/en/ipa-phonetic-transcription-converters </big></big>
<hr><big><big> !! https://mindforger.com/ </big></big>


IPA and romanization transcriptions. Very detailed, but there is a limitation for each hour. Its “More Tools” is also noteworthy.
Notes with hierarchy and tags, and can be exported to CSV files. It is open-source.


<hr><big><big> https://github.com/dmort27/epitran/ </big></big>
<hr><big><big> !! https://github.com/zadam/trilium </big></big>


Transcription to IPA. It is open-source. It won't help if you don't know Python.
Advanced notebook with hierarchy, text formatting, link map, synchronization and encryption. Good for working. It is open-source.  


It only supports words, as is [https://github.com/dmort27/epitran/issues/12 discussed]. Somebody can develop a tool for sound change.
<hr><big><big> !! https://www.giuspen.com/cherrytree/ </big></big>


== <div style="color:#119922; font-weight:bold;">Logic</div> ==
Hierarchical notebook with encryption. It is open-source.


<hr><big><big> https://forallx.openlogicproject.org/ </big></big>
<hr><big><big> !! https://eck.cologne/peafactory/en/html/notebook_pea.html </big></big>


Book edited by different groups of people. Its work is under a public license.
Write RTF files with encryption. It is open-source.


<hr><big><big> https://www.logicmatters.net/tyl/ </big></big>
<hr><big><big> !! https://quillpad.github.io/ </big></big>


Book, conditioned distribution allowed.
Simple note-taking app for Android. It is open-source.


== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Internet-Courses <u>Course</u>]</div> ==
<hr><big><big> !! https://safenotes.dev/ </big></big>


<hr><big><big> https://fsi-languages.yojik.eu/ </big></big>
Encrypted notes on Android. It is open-source.


Mainly courses of Foreign Service Institute, Defense Language Institute, Peace-Corps. FSI is initially aimed at middle-aged officials, so maybe not everyone likes it. Its work is partly in public domain.
<hr><big><big> !! https://jrnl.sh/ </big></big>


<hr><big><big> https://www.coursera.org/browse/language-learning/ </big></big>
Notebook in command-line. It is open-source.


Some super cool courses. This is suggested by RomDasha.
<hr><big><big> !! https://orgmode.org/ </big></big>


<hr><big><big> !!!! https://www.lingolia.com/ </big></big>
Notebook for Emacs, Neovim and other text editors. It is open-source.


A little site with useful basic courses of 5 languages with good design.
<hr><big><big> !! https://postkevone.github.io/tiddlyresearch/ </big></big>


<hr><big><big> https://en.wikibooks.org/wiki/Subject:Languages </big></big>
Notebook for Tiddly Wiki. It is open-source.


Books are mostly incomplete and in lack of update, but some are nearly completed or completed, not bad.
== <div style="color:#119922; font-weight:bold;">Handwriting Notebook</div> ==


== <div style="color:#119922; font-weight:bold;">Speaking</div> ==
<hr><big><big> !! https://xournalpp.github.io/ </big></big>


<hr><big><big> !!!! https://forvo.com/ </big></big>
Handwritten note editor. It is open-source.


Dictionary of pronunciation.
<hr><big><big> !! https://saber.adil.hanney.org/ </big></big>


➡ [https://polyglotclub.com/language.php?tool_id=3 Write a review]
Note with handwriting. It is open-source.


<hr><big><big> !!!! https://youglish.com/ </big></big>
<hr><big><big> !! https://rnote.flxzt.net/ </big></big>


Pronunciation from videos.
Handwriting program. It is open-source.


<hr><big><big> !! https://speechling.com/ </big></big>
== <div style="color:#119922; font-weight:bold;">Audio Notebook</div> ==


Submit the recording and wait for the response. Supported languages are not many.
<hr><big><big> !! https://certified84.github.io/AudioNote/ </big></big>


➡ [https://polyglotclub.com/language.php?tool_id=2 Write a review]
Audio tonebook on Andriod. It is open-source.


<hr><big><big> https://www.fon.hum.uva.nl/praat/ </big></big>
== <div style="color:#119922; font-weight:bold;">Whiteboard</div> ==


With this one, you can say you are “studying” pronunciation.
<hr><big><big> !! https://excalidraw.com/ </big></big>


[https://www.youtube.com/watch?v=fjlFNOzfdPo A little tutorial] and [https://www.youtube.com/watch?v=EDNhmBsOXcM&list=PL4mxJ1XKfFjK9VswLDnYqgJiO4mOoVzyQ a big playlist of various videos].
Online whiteboard. It is open-source.


<hr><big><big> !! https://ivypanda.com/tongue-twisters </big></big>
<hr><big><big> !! https://www.tldraw.com/ </big></big>
Online whiteboard. It is open-source.


Try not to hurt yourself when practising.
== <div style="color:#119922; font-weight:bold;">Wiki</div> ==


It covers [http://www.tongue-twister.net/ an older site] and has improved a lot. There's no copyright affair involved because such a list is not a “creative work”.
<hr><big><big> https://www.dokuwiki.org/dokuwiki </big></big>


You may want to ask if this page is protected by copyright. All my comments are protected, the list of links like the one in [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/IRFP-in-brief that brief version] is not.
Wiki with many add-ons. It is open-source.


== <div style="color:#119922; font-weight:bold;">Flashcard</div> ==
It requires setting up a server.


<hr><big><big> !!!! https://apps.ankiweb.net/ </big></big>
It has [https://github.com/fabienli/DokuwikiAndroid an open-source viewer for Android].


Offline flashcard platform. You can find its manual at “Docs” on the website. Content can be rendered in HTML and CSS. There are also [https://ankiweb.net/shared/addons/ many powerful add-ons for it]. It is open-source.
<hr><big><big> https://tiddlywiki.com/ </big></big>


Its community has [https://ankiweb.net/shared/decks/ many shared decks], but this is not mentioned at the home page. [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Helpful-Anki-Shared-Decks Some language-learning decks are picked out by me].
Non-linear Wiki on web with HTML files. It is open-source.


If you have vocabulary lists in forms other than TSV, you can try [https://github.com/ilius/pyglossary PyGlossary] or [https://github.com/dbohdan/structured-text-tools some command line tools] to convert them.
Not ideal if the file is large. If the file is large, that means each time you modify and save it, it writes another large file.


Unfortunately, not free on iOS.
It has [https://github.com/donmor/Tiddloid an open-source viewer for Android].


*[https://www.youtube.com/watch?v=1XaJjbCSXT0 A video] about the intervals of Anki;
<hr><big><big> !! https://www.zim-wiki.org/ </big></big>
*[https://www.lengthytravel.com/create-anki-deck-google-sheets-spreadsheet/ An article] about how to import from a spreadsheet;
*[https://www.expatden.com/thai/creating-anki-flashcard-decks-with-audio-and-pictures/ An article] about how to add images and audio files;
*[https://www.youtube.com/watch?v=saVJN5-_JDM&list=PLoRUsKSPCHAYv6OnDZQnb_TjGn6WGIpud A playlist] of tutorial.
*[https://www.youtube.com/c/TheAnKing A channel] about add-ons and techniques.


Related [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Useful-Anki-add%E2%80%90ons add-on wiki page]. [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Useful-Anki-add%E2%80%90ons Some are picked out by me].
Simple wiki. It is open-source.


You can set up your own server for synchronization with [https://github.com/ankicommunity/djankiserv djankiserv] or [https://github.com/ankicommunity/anki-sync-server anki-sync-server]
== <div style="color:#119922; font-weight:bold;">Diary</div> ==


Good open-source browser add-ons for Chromium or Chrome include:
<hr><big><big> !! http://lifeograph.sourceforge.net/wiki/Main_Page </big></big>
* [https://chrome.google.com/webstore/detail/ankitab/ihoaepdiibjbifnhcjoaddgcnfgjmjdk learn with new tabs]
* [https://chrome.google.com/webstore/detail/anki-quick-adder/gpbcbbajoagdgnokieocaplbhkiidmmb adding flashcards easily]
* [https://chrome.google.com/webstore/detail/ruzu-anki-pop-ups/mpjdjilfcgmndfnailloidpemknemeno pop-up every interval of time]


If you want to batch rename files, there is [http://file-folder-ren.sourceforge.net/ a program to do it] and it is open-source.
Diary for desktop. It is open-source.


There is an infamous issue of it: if you add or delete fields in a note type, you have to upload all your data when syncronising.  
<hr><big><big> !! https://billthefarmer.github.io/diary/ </big></big>


If you are still confused, go to communities about Anki and find a solution. Expect that Bazel it utilises to cause troubles.
Diary for Android. It is open-source.


<hr><big><big> !! https://github.com/tema6120/ForgetMeNot </big></big>
== <div style="color:#119922; font-weight:bold;">Diagram</div> ==


Flashcard program for Android. More advanced than AnkiDroid in many aspects, including necessary instructions. You can even set intervals for the spaced repetition. It is open-source.
<hr><big><big> !! https://www.diagrams.net/ </big></big>


➡ [https://polyglotclub.com/language.php?tool_id=16 Write a review]
Diagrams. It is open-source.


<hr><big><big> !! https://github.com/rh-id/a-flash-deck </big></big>
== <div style="color:#119922; font-weight:bold;">Timeline</div> ==


Flashcards with notification on Android. It is open-source.
<hr><big><big> !! http://thetimelineproj.sourceforge.net/ </big></big>


<hr><big><big> !! https://mnemosyne-proj.org/ </big></big>
Timeline. It is open-source.


If you want a simple alternative to Anki, try this one. It is open-source.
== <div style="color:#119922; font-weight:bold;">Mind Map</div> ==


== <div style="color:#119922; font-weight:bold;">Vocabulary</div> ==
<hr><big><big> !! https://www.insilmaril.de/vym/ </big></big>


<hr><big><big> !!!! https://context.reverso.net/translation/ </big></big>
Mind map with not many and not few features. It is open-source.


Among its products, the mobile version of Context seems to be the most helpful: learn and practise new words with example sentences.
<hr><big><big> !! https://github.com/juzzlin/Heimer </big></big>


<hr><big><big> !!!! https://babadum.com/ </big></big>
Simple and intuitive mind map. It is open-source.


It's pretty good for educating young polyglots.
<hr><big><big> !! https://markmap.js.org/ </big></big>


➡ [https://polyglotclub.com/language.php?tool_id=19 Write a review]
Markdown mind map with VSCodium / VS Code support. It is open-source.


<hr><big><big> !!!! https://github.com/tkrajina/10000sentences </big></big>
<hr><big><big> http://tiddlymap.org/ </big></big>


Sentences from Tatoeba to practice. It is aesthetically same with Anki (I mean copy-paste). It is open-source.
Mind map for Tiddly Wiki. It is open-source.


<hr><big><big> !!!! https://www.clozemaster.com/ </big></big>
== <div style="color:#119922; font-weight:bold;">Hierarchical Spreadsheet</div> ==


Learn with cloze. It is effective, but sometimes it is just repeating the same point in different questions. Also, synonyms are not supported.
<hr><big><big> !! https://strlen.com/treesheets/ </big></big>


➡ [https://polyglotclub.com/language.php?tool_id=18 Write a review]
It combines mind map, spreadsheet and other forms of data. It is open-source.


<hr><big><big> !! https://www.languageguide.org/ </big></big>
[https://www.youtube.com/watch?v=UB-saQZfrsw A video about it].


Some basic vocabulary.
== <div style="color:#119922; font-weight:bold;">Graph</div> ==


<hr><big><big> !! https://babadada.com/ </big></big>
<hr><big><big> !! https://foambubble.github.io/ </big></big>


Visual dictionary. No grammatical genders or pronunciation, suitable for reviewing.
Graph for VSCodium and VSCode. It is open-source.


A lot of languages has not been completed yet, without any notice. Also, look out for polyseme mistakes.
== <div style="color:#119922; font-weight:bold;">Media Management</div> ==


➡ [https://polyglotclub.com/language.php?tool_id=20 Write a review]
<hr><big><big> !! https://www.tagspaces.org/ </big></big>


<hr><big><big> https://trielingual.com/ </big></big>
File tagging. It is open-source.


See the related phrases of a word. It is open-source.
<hr><big><big> !! https://calibre-ebook.com/ </big></big>


<hr><big><big> https://en.wiktionary.org/wiki/Appendix:Swadesh_lists </big></big>
E-Book management tool. It is open-source.


Swadesh lists are basic vocabulary, initially for linguistic use. But it can be the starting point of vocabulary building for language learners as well.
The main drawback is it has to keep a copy of your book in a central directory, which will cause duplication if you also keep the book elsewhere.


<hr><big><big> !! https://en.wiktionary.org/wiki/Wiktionary:Frequency_lists </big></big>
<hr><big><big> !! https://github.com/mateusz-bak/openreads-android </big></big>


Frequency lists. Make use of it with programs that help to memorise, such as Anki.  
E-Book tracker on Android. It is open-source.


If you seriously want to learn a language, and there are no ready-made free flashcards reaching the native level, and you don't want to spend money, this may be the most effective way to memorise words.
== <div style="color:#119922; font-weight:bold;"> Web Table Extraction</div> ==


<hr><big><big> !! https://github.com/frekwencja/most-common-words-multilingual </big></big>
<hr><big><big> !! https://www.libreoffice.org/ </big></big>


Word frequency of top 5000 words.
Office suite with spreadsheet that can [https://help.libreoffice.org/6.0/en-US/text/scalc/guide/webquery.html capture web tables]. It is open-source.


== <div style="color:#119922;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/How-to-Customise-Open%E2%80%93Source-Language-Games <u>Language Game</u>]</div> ==
<hr><big><big> !! https://merribithouse.net/copytables/ </big></big>


<hr><big><big> https://sourceforge.net/projects/scrabble/ </big></big>
Capture tables from webpages for Chrome and Safari. It is open-source.


Scrabble with downloadable dictionaries. It is open-source.
<hr><big><big> !! https://github.com/nirantak/copytables </big></big>


<hr><big><big> https://gottcode.org/tanglet/ </big></big>
Fork of Copytables for Firefox. It is open-source.


Boggle. It is open-source.
== <div style="color:#119922; font-weight:bold;">International Phonetic Alphabet</div> ==


<hr><big><big> https://github.com/lexica/lexica </big></big>
<hr><big><big> !! https://www.internationalphoneticassociation.org/ </big></big>


Game of finding words on Android. It is open-source.
The site of the maker. The full IPA chart can be downloaded here. There is also a link to an interactive IPA chart.


<hr><big><big> https://billthefarmer.github.io/gurgle/ </big></big>
<hr><big><big> !! https://easypronunciation.com/en/ipa-phonetic-transcription-converters </big></big>


A word game for Android. It is open-source.
IPA and romanization transcriptions. Very detailed, but there is a limitation for each hour. Its “More Tools” is also noteworthy.


== <div style="color:#119922; font-weight:bold;">Test</div> ==
<hr><big><big> https://github.com/dmort27/epitran/ </big></big>


<hr><big><big> https://lingua.com/ </big></big>
Transcription to IPA. It is open-source. It won't help if you don't know Python.


A few materials for beginners. Better treat it as your proficiency tests instead of learning materials because it's not much.
It only supports words, as is [https://github.com/dmort27/epitran/issues/12 discussed]. Somebody can develop a tool for sound change.


➡ [https://polyglotclub.com/language.php?tool_id=21 Write a review]
== <div style="color:#119922; font-weight:bold;">Logic</div> ==


<hr><big><big> !! https://www.transparent.com/language-resources/tests.html </big></big>
<hr><big><big> https://forallx.openlogicproject.org/ </big></big>


Test your proficiency.
Book edited by different groups of people. Its work is under a public license.


There is only one set of test for each language. Don't search the meanings of the words you don't know if you want to take this test again later.
<hr><big><big> https://www.logicmatters.net/tyl/ </big></big>


<hr><big><big> !! https://www.arealme.com/vocabulary-size-test/en/ </big></big>
Book, conditioned distribution allowed.


For testing your vocabulary size.
== <div style="color:#119922; font-weight:bold;">Artificial Intelligence</div> ==


There is only one set of test for each language. Don't search the meanings of the words you don't know if you want to take this test again later.
<hr><big><big> !!!! https://gpt4all.io/ </big></big>


<hr><big><big> !! https://www.ezglot.com/vocabulary-test.php </big></big>
AI application with several models available for offline use. It is open-source.


Test your vocabulary size. It's faster and maybe not so accurate. The result is at an inconspicuous corner.
<hr><big><big> !!!! https://github.com/LiLittleCat/awesome-free-chatgpt </big></big>


== <div style="color:#119922; font-weight:bold;">Reader</div> ==
List of online GPT services.


<hr><big><big> !! https://mupdf.com/ </big></big>
<hr><big><big> !!!! https://github.com/xx025/carrot </big></big>


Lightweight PDF Reader for desktops. It is open-source.
List of online GPT services with some categories.


Type “man mupdf” in command line to see its shortcuts.
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Internet-Courses <u>Course</u>]</div> ==


<hr><big><big> !! https://www.sumatrapdfreader.org/ </big></big>
<hr><big><big> https://fsi-languages.yojik.eu/ </big></big>


Reader for Windows. Dark mode and Annotation are available. It is open-source.
Mainly courses of Foreign Service Institute, Defense Language Institute, Peace-Corps. FSI is initially aimed at middle-aged officials, so maybe not everyone likes it. Its work is partly in public domain.


<hr><big><big> !! https://www.libreoffice.org/ </big></big>
<hr><big><big> https://www.coursera.org/browse/language-learning/ </big></big>


Editor for many document formats. It is open-source.
Some super cool courses. This is suggested by RomDasha.


<hr><big><big> !! https://johnfactotum.github.io/foliate/ </big></big>
<hr><big><big> !!!! https://www.lingolia.com/ </big></big>


Reader for Linux with features like layout and online translation. It is open-source.
A little site with useful basic courses of 5 languages with good design.


<hr><big><big> !! https://librera.mobi/ </big></big>
<hr><big><big> https://en.wikibooks.org/wiki/Subject:Languages </big></big>


Reader for Android. It is open-source.
Books are mostly incomplete and in lack of update, but some are nearly completed or completed, not bad.


<hr><big><big> !! https://koreader.rocks/ </big></big>
<hr><big><big> https://ikindalikelanguages.com/ </big></big>


Reader with a simple user interface for Android. It is open-source.
Introductions to languages.


<hr><big><big> !! https://nomacs.org/ </big></big>
== <div style="color:#119922; font-weight:bold;">Speaking</div> ==


Image viewer. It is open-source.
<hr><big><big> !!!! https://forvo.com/ </big></big>


<hr><big><big> !! https://memex.garden/ </big></big>
Dictionary of pronunciation.


Webpage manager, with functions like page annotation. It is open-source.
➡ [https://polyglotclub.com/language.php?tool_id=3 Write a review]


<hr><big><big> !! https://quiterss.org/ </big></big>
<hr><big><big> !!!! https://youglish.com/ </big></big>


RSS feeder for desktop. No pre-installed mainstream media. It is open-source.
Pronunciation from videos, with a large subtitle frame.


If you don't know what RSS is, you can read [https://www.lifewire.com/what-is-an-rss-feed-4684568 this article].
It is better to be used together with the Chromium or Chrome extension [https://chrome.google.com/webstore/detail/separate-window/cbgkkbaghihhnaeabfcmmglhnfkfnpon/related Separate Window].


<hr><big><big> !! https://gitlab.com/spacecowboy/Feeder </big></big>
<hr><big><big> !! https://speechling.com/ </big></big>


RSS feeder for Android. It is open-source.
Submit the recording and wait for the response. Supported languages are not many.


<hr><big><big> !! https://www.kiwix.org/ </big></big>
➡ [https://polyglotclub.com/language.php?tool_id=2 Write a review]


Read Wikipedia and some other sites offline. It is open-source.
<hr><big><big> !! https://ivypanda.com/tongue-twisters </big></big>


== <div style="color:#119922; font-weight:bold;">Reading Helper</div> ==
Try not to hurt yourself when practising.


<hr><big><big> !! https://vocabhunter.github.io/ </big></big>
It covers [http://www.tongue-twister.net/ an older site] and has improved a lot. There's no copyright affair involved because such a list is not a “creative work”.


Find unfamiliar words in a document. Great for getting familiar with all words in a document before reading. Better to disable the filter. Java is required. It is open-source.
You may want to ask if this page is protected by copyright. All my comments are protected, the list of links like the one in [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/IRFP-in-brief that brief version] is not.


For Chinese, Japanese, Lao, Thai, Vietnamese and some other languages, [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Introduction-to-some-language-tools#Word_segmentation word segmentation] is required.
== <div style="color:#119922; font-weight:bold;">Flashcard</div> ==


<hr><big><big> !! https://comfortreader.rhizomaticdesign.net/ </big></big>
<hr><big><big> !!!! https://apps.ankiweb.net/ </big></big>


Streaming reader for Android. It is open-source.
Offline flashcard platform. You can find its manual at “Docs” on the website. Content can be rendered in HTML and CSS. It is open-source.


<hr><big><big> !! https://github.com/hisakaz0/AutoScrolling </big></big>
Unfortunately, not free on iOS.


Autoscrolling for Firefox. Good for practising reading speed. It is open-source.
Related resources:


<hr><big><big> !! https://github.com/jpablobr/simple-auto-scroll </big></big>
{{Anki-menu}}


Autoscrolling for Chrome. Good for practising reading speed.
There is also [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/How-to-become-a-polyglot#Flashcard a section of an article] on flashcards.


<hr><big><big> !! http://docfetcher.sourceforge.net/en/index.html </big></big>
There is an infamous issue of it: if you add or delete fields in a note type, you have to upload all your data when syncronising. Also expect Bazel, which it utilises to cause troubles.


Search text in multiple files at once. It is open-source.
<hr><big><big> !! https://mnemosyne-proj.org/ </big></big>


<hr><big><big> !! https://piro.sakura.ne.jp/xul/_treestyletab.html.en </big></big>
Flashcards with basic functions. It is open-source.


Arrange browser tabs in hierarchy. It is open source.
<hr><big><big> !! https://github.com/proycon/vocage </big></big>


<hr><big><big> !! https://github.com/gildas-lormeau/SingleFile </big></big>
Minimalistic flashcards in command line through TSV files. It is open-source.


Save the web page as a single file.
<hr><big><big> !! https://github.com/FilippVolodin/ReeePlayer </big></big>


There is also a [https://github.com/gildas-lormeau/SingleFile SingleFileZ], which can compress pages.
Flashcard with video clips. It is open-source.


<hr><big><big> https://github.com/FreeLanguageTools/vocabsieve </big></big>
<hr><big><big> !! https://github.com/alyssaxuu/carden </big></big>


Analyse the sentence, find the vocabulary and create Anki flashcards. It is open-source.
Chromium/Chrome addon. It is open-source.


<hr><big><big> !! https://github.com/jeffkowalski/gritz </big></big>
<hr><big><big> !! https://github.com/tema6120/ForgetMeNot </big></big>


Reading speed trainer. [https://www.perl.org/get.html Perl] and GTK are required. It is open-source.
Flashcard program for Android. More advanced than AnkiDroid in many aspects, including necessary instructions. You can even set intervals for the spaced repetition. It is open-source.


To open it, just run “gritz.pl”.
➡ [https://polyglotclub.com/language.php?tool_id=16 Write a review]


For Chinese, Japanese, Lao, Thai, Vietnamese and some other languages, [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Introduction-to-some-language-tools#Word_segmentation word segmentation] is required.
<hr><big><big> !! https://github.com/rh-id/a-flash-deck </big></big>


You can also modify the source code (don't execute the file, but open it with a file editor), like these:
Flashcards with notification on Android. It is open-source.


* $font: font name and size.
<hr><big><big> https://tadeas.dev/twsr/ </big></big>
* $span_black_open: colors of black characters.
* $span_red_open: colors of red characters.


p.s. Colors are “[https://en.wikipedia.org/wiki/Web_colors web colors]”. You can find a “[https://www.wincalendar.com/Color-Picker color picker]” to get the hex values of a color.
Flashcard for Tiddly Wiki. It is open-source.


* $wpm = 200: default reading speed (words per minute).
<hr><big><big> https://codeberg.org/GrimPixel/Tabletop_Club_Flashcard_Tool </big></big>


* button_slower: WPM increment per click.
Flashcard generator for Tabletop Club. It is open-source.
* button_faster: WPM decrement per click.


Maybe when I have free time, I can try converting it into Python and do some modification: add shortcuts, create a user interface with BeeWare, add word segmentation support.
== <div style="color:#119922; font-weight:bold;">Presentation</div> ==


== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Reading-material-enhanced-for-language-learning <u>Reading Material</u>]</div> ==
<hr><big><big> !! https://codeberg.org/GrimPixel/Fountain </big></big>


<hr><big><big> !! https://wikisource.org/wiki/Main_Page </big></big>
Presentation with TSV in command-line. It is open-source.


Literature in public domain. They can be downloaded.
<hr><big><big> !! https://maaslalani.com/slides/ </big></big>


<hr><big><big> https://www.gutenberg.org/ </big></big>
Presentation with Markdown in command-line. It is open-source.


The largest collections of books in the public domain, mostly in English, though.
== <div style="color:#119922; font-weight:bold;">Wallpaper</div> ==


There is a book catalogue website with ever-changing domain names: LibGen, which contains a wider range of books. Make sure you don't see any strange link there. [https://github.com/manuelvargastapia/libgen_mobile_app It is also available on Android].
<hr><big><big> https://peterlevi.com/variety/ </big></big>


<hr><big><big> !! https://onlinebooks.library.upenn.edu/archives.html </big></big>
Wallpaper changer for Linux. It is open-source.


List of book collections. Many links are available in “https” now, but appear as “http” on this page.
It has “quotes”, which can be used as the flashcard. An example is [https://github.com/amirgi73/variety-german-words variety-german-words]. To customise its code:


== <div style="color:#119922; font-weight:bold;">Writing</div> ==
In “german_words.py”
* Search and find “data = ”, change its structure;
* Replace “reader(fin)” to “reader(file, delimiter="\t")” to support TSV;


<hr><big><big> https://owl.excelsior.edu/ </big></big>
In “words.csv”, change its content.


It is not for learning languages, but for how to write and read. Its work is under a public license.
== <div style="color:#119922; font-weight:bold;">Danmaku</div> ==


It is teaching about English, so something does not apply to some other languages.
<hr><big><big> https://github.com/luyuhuang/DWords2 </big></big>


<hr><big><big> https://owl.purdue.edu/owl/purdue_owl.html </big></big>
Shoot entries on the screen. It is open-source.


Another online writing lab.
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Internet-Vocabularies <u>Vocabulary</u>]</div> ==


<hr><big><big> https://www.theologeek.ch/manuskript/ </big></big>
<hr><big><big> !!!! https://context.reverso.net/translation/ </big></big>


Tool for writing stuff. It is open-source.
Among its products, the mobile version of Context seems to be the most helpful: learn and practise new words with example sentences.


== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Internet-Dictionaries <u>Dictionary</u>]</div> ==
<hr><big><big> !!!! https://babadum.com/ </big></big>


<hr><big><big> !!!! https://www.wiktionary.org/ </big></big>
It's pretty good for educating young polyglots.


Practical, no need to switch dictionaries, translations in many languages are shown together.
➡ [https://polyglotclub.com/language.php?tool_id=19 Write a review]


<hr><big><big> !!!! https://www.wordreference.com/ </big></big>
<hr><big><big> !!!! https://github.com/tkrajina/10000sentences </big></big>


It is really completed.
Sentences from Tatoeba to practice. It is aesthetically same with Anki (I mean copy-paste). It is open-source.


<hr><big><big> !!!! https://www.linguee.com/ </big></big>
<hr><big><big> !!!! https://www.clozemaster.com/ </big></big>


It is completed, with example sentences of high quality. You can even find uncommon words with meanings of common words.
Learn with cloze. It is effective, but sometimes it is just repeating the same point in different questions. Also, synonyms are not supported.


<hr><big><big> !!!! https://bab.la/ </big></big>
➡ [https://polyglotclub.com/language.php?tool_id=18 Write a review]


It is completed for several languages.
<hr><big><big> !! https://www.languageguide.org/ </big></big>


<hr><big><big> !!!! https://iate.europa.eu/ </big></big>
Some basic vocabulary.


Terminology dictionary of European Union. That is to say, what you search should be a term.
<hr><big><big> !! https://babadada.com/ </big></big>


<hr><big><big> !! https://glosbe.com/ </big></big>
Visual dictionary. No grammatical genders or pronunciation, suitable for reviewing.


It supports a lot of languages, citing results from several corpora. It is somehow messy and in many cases inaccurate, but if the dictionaries listed above have no result about a word, this one may help.
A lot of languages has not been completed yet, without any notice. Also, look out for polyseme mistakes.


<hr><big><big> !!!! http://goldendict.org/ </big></big>
➡ [https://polyglotclub.com/language.php?tool_id=20 Write a review]


It supports several dictionaries in the free version, and also Lingoes in the paid Android version. No one would want to pay after knowing a link below. It is open-source.
<hr><big><big> https://trielingual.com/ </big></big>


You can search the word by selecting it and listen to Forvo pronunciation. You can also add dictionary websites.
See the related phrases of a word. It is open-source.


<hr><big><big> !!!! https://github.com/pnlpal/dictionaries </big></big>
<hr><big><big> https://en.wiktionary.org/wiki/Appendix:Swadesh_lists </big></big>


Browser add-on with clear results and can export to Anki decks. It is open-source.
Swadesh lists are basic vocabulary, initially for linguistic use. But it can be the starting point of vocabulary building for language learners as well.


<hr><big><big> https://aarddict.org/ </big></big>
<hr><big><big> !! https://en.wiktionary.org/wiki/Wiktionary:Frequency_lists </big></big>


Different from other advocates for donating to Ukraine, they have an offline dictionary. It is open-source.
Frequency lists. Make use of it with programs that help to memorise, such as Anki.  


This service has been having the background of political activism (pro-Ukraine).
If you seriously want to learn a language, and there are no ready-made free flashcards reaching the native level, and you don't want to spend money, this may be the most effective way to memorise words.


<hr><big><big> https://github.com/rdoeffinger/Dictionary </big></big>
<hr><big><big> !! https://github.com/frekwencja/most-common-words-multilingual </big></big>


Offline Wiktionary with custom dictionary support on Android. Its search results are easy to read for robots like you. It is open-source.
Word frequency of top 5000 words.


== <div style="color:#119922; font-weight:bold;">Translator</div> ==
<hr><big><big> !! https://github.com/rspeer/wordfreq </big></big>


<hr><big><big> !! https://crow-translate.github.io/ </big></big>
Word frequency tool for Python. It is open-source.


Translator with multiple engine support. It is open-source.
== <div style="color:#119922; font-weight:bold;">Etymology</div> ==


<hr><big><big> !! https://github.com/FilipePS/Traduzir-paginas-web </big></big>
<hr><big><big> https://etymologeek.com/ </big></big>


Webpage translation for Firefox. It is open-source.
Etymology in European languages.


<hr><big><big> !! https://simple-translate.sienori.com/ </big></big>
== <div style="color:#119922;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/How-to-Customise-Open%E2%80%93Source-Language-Games <u>Language Game</u>]</div> ==


Browser add-on for Google Translate with detailed information. It is open-source.
<hr><big><big> !! https://sourceforge.net/projects/scrabble/ </big></big>


<hr><big><big> https://www.soimort.org/translate-shell/ </big></big>
Scrabble with downloadable dictionaries. It is open-source.


Command-line translator from different sources. It is open-source.
<hr><big><big> !! https://people.csail.mit.edu/jasonkb/quackle/ </big></big>


<hr><big><big> https://www.apertium.org/ </big></big>
Scrabble that can show all possible words. It is open-source.


It is open-source.
<hr><big><big> !! https://gottcode.org/tanglet/ </big></big>


[https://www.youtube.com/watch?v=2atSy3Zfiec A video about it].
Boggle. It is open-source.


<hr><big><big> https://www.argosopentech.com/ </big></big>
<hr><big><big> !! https://gottcode.org/connectagram/ </big></big>


It is open-source.
Connectagram. It is open-source.


== <div style="color:#119922; font-weight:bold;">Conjugation</div> ==
<hr><big><big> !! https://gitlab.gnome.org/jrb/crosswords </big></big>


<hr><big><big> !!!! https://cooljugator.com/ </big></big>
Crossword on Linux. It is open-source.


Conjugation and some declension.
<hr><big><big> !! https://github.com/lexica/lexica </big></big>


<hr><big><big> !!!! https://www.verbix.com/ </big></big>
Game of finding words on Android. It is open-source.


Conjugation.
<hr><big><big> !! https://billthefarmer.github.io/gurgle/ </big></big>


== <div style="color:#119922; font-weight:bold;">Gender</div> ==
A word game on Android. It is open-source.


<hr><big><big> !! http://www.passion4teq.com/apps/ </big></big>
<hr><big><big> !! https://billthefarmer.github.io/gridle/ </big></big>


Apps for practising genders in 4 languages. You can also estimate how long you can practice until your battery goes empty.
A word game on Android. It is open-source.


== <div style="color:#119922; font-weight:bold;">Number</div> ==
<hr><big><big> !! https://github.com/Magoninho/word-search-puzzle-generator </big></big>
<hr><big><big> https://codeberg.org/GrimPixel/Numeration </big></big>


Program to practise reading numbers. Python is required. It is open-source.
Word search game on command line. It is open-source.


In progress. It can see major progresses during school holidays. Introduction: [[Language/Multiple-languages/Vocabulary/Numeration-Tutorial]].
To change the letters in the game, modify the list in “alphabet.py”.


➡ [https://polyglotclub.com/language.php?tool_id=14 Write a review]
<hr><big><big> !! https://gitlab.com/Hague/forkyz </big></big>


<hr><big><big> !! https://www.languagesandnumbers.com/numbering-systems/ </big></big>
Crosswords on Android. It is open-source.


Rules of writing numbers, more concise than Wikipedia's entries.
<hr><big><big> !! https://github.com/devarshi16/HangMan </big></big>


== <div style="color:#119922; font-weight:bold;">Grammar Checker</div> ==
Hangman. It is open-source.


<hr><big><big> https://languagetool.org/ </big></big>
Its data is at “hangmanultimate/data.py”.


It supports several languages, but works well on the few. It is open-source.
<hr><big><big> !! https://gemelo.org/grabagram/ </big></big>


[https://www.youtube.com/watch?v=KnQCHo14gOU A video about the rule editor].
Anagram on mobile. It is open-source. Code at [https://github.com/bpeel/verda-sxtelo its github repository].


== <div style="color:#119922; font-weight:bold;">Audio Player</div> ==
== <div style="color:#119922; font-weight:bold;">Quiz</div> ==


<hr><big><big> !! https://audacious-media-player.org/ </big></big>
<hr><big><big> !! https://github.com/Yvee1/hascard </big></big>


Lightweight audio player for desktops. It is open-source.
Quizzes in Markdown files in command line. It is open-source.


<hr><big><big> !! https://www.strawberrymusicplayer.org/ </big></big>
<hr><big><big> !! https://github.com/ismet55555/exam-terminal </big></big>


Music player with many features. It is open-source.
Quizzes in YAML files in command line. It is open-source.


<hr><big><big> !! https://github.com/enricocid/Music-Player-GO </big></big>
You may need to enter full-screen mode, otherwise the program won't work for not having enough space.


Lightweight audio player for Android with comfortable UI design. It is open-source.
<hr><big><big> !! https://codeberg.org/GrimPixel/Quiz_Grid </big></big>


== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Listening-material-with-transcript <u>Listening Material</u>]</div> ==
Quiz of TSV files in a grid. It is open-source.


<hr><big><big> !!!! https://www.listeningpractice.org/ </big></big>
== <div style="color:#119922; font-weight:bold;">Test</div> ==


To practice listening. Voices are from volunteers and their qualities vary. It also has conjugation exercises. Its work is under public licenses.
<hr><big><big> https://lingua.com/ </big></big>


If your browser doesn't play the audio automatically, then you need to grant the website the autoplay permission (next to the URL in Firefox).
A few materials for beginners. Better treat it as your proficiency tests instead of learning materials because it's not much.


<hr><big><big> !! https://globalstorybooks.net/ </big></big>
➡ [https://polyglotclub.com/language.php?tool_id=21 Write a review]


Stories in many languages translated from [https://africanstorybook.org/ African Storybook]. Its work is under a public license.
<hr><big><big> !! https://www.transparent.com/language-resources/tests.html </big></big>


<hr><big><big> !! https://www.easy-languages.org/ </big></big>
Test your proficiency.


Street interview videos with embedded subtitles. Real and fun.
There is only one set of test for each language. Don't search the meanings of the words you don't know if you want to take this test again later.


The first time I watch a video, I was busy picking up the unknown words; the second time, I understood the sentences; the third time, I got an impression what kind of person the interviewee is.
<hr><big><big> !! https://www.arealme.com/vocabulary-size-test/en/ </big></big>


<hr><big><big> !! https://librivox.org/ </big></big>
For testing your vocabulary size.


Books read by volunteers. Its work is under public licenses.
There is only one set of test for each language. Don't search the meanings of the words you don't know if you want to take this test again later.


<hr><big><big> !! https://lyricstraining.com/ </big></big>
<hr><big><big> !! https://www.ezglot.com/vocabulary-test.php </big></big>


Listen to songs and fill in the blanks of lyrics.
Test your vocabulary size. It's faster and maybe not so accurate. The result is at an inconspicuous corner.


<hr><big><big> !! https://www.captionpop.com/ </big></big>
== <div style="color:#119922; font-weight:bold;">Reader</div> ==


Watch videos and learn with subtitles.
<hr><big><big> !! https://mupdf.com/ </big></big>


<hr><big><big> !! https://rhinospike.com/ </big></big>
Lightweight PDF Reader for desktops. It is open-source.


Listen to recordings.
Type “man mupdf” in command line to see its shortcuts.


<hr><big><big> !! https://audio-lingua.eu/ </big></big>
<hr><big><big> !! https://www.sumatrapdfreader.org/ </big></big>


Listening materials with CEFRL levels. Its work is under public licenses.
PDF Reader for Windows. Dark mode and Annotation are available. It is open-source.


It doesn't have transcripts, so speech-recognition is required.
<hr><big><big> !! https://gitlab.com/mudlej_android/mj_pdf_reader </big></big>


== <div style="color:#119922; font-weight:bold;">Audio Tool</div> ==
PDF Reader for Android. It is open-source.


<hr><big><big> !! https://tenacityaudio.org/ </big></big>
<hr><big><big> !! https://www.libreoffice.org/ </big></big>


For audio edit, as well as training your pronunciation by comparing your own voice with the recording you were imitating. Fork of Audacity without potential privacy violation. It is open-source.
Editor for many document formats. It is open-source.


<hr><big><big> !! https://obsproject.com/ </big></big>
<hr><big><big> !! https://johnfactotum.github.io/foliate/ </big></big>


When you are playing games in the languages you are learning, it is often hard to focus on the voices and subtitles without failing your goals in the games. You can solve this problem by recording your gameplay with this program. It is open-source.
Reader for Linux with features like layout and online translation. It is open-source.


== <div style="color:#119922; font-weight:bold;">Text-to-Speech</div> ==
<hr><big><big> !! https://librera.mobi/ </big></big>
If you don't know how to get the voices on Windows, you can see [[Language/Multiple-languages/Culture/How-to-use-SR-and-TTS-on-Windows]].


<hr><big><big> !! https://github.com/ideasman42/nerd-dictation </big></big>
Reader for Android. It is open-source.


TTS for Linux. It is open-source.
<hr><big><big> !! https://koreader.rocks/ </big></big>


<hr><big><big> !!!! https://www.cwu.edu/central-access/reader </big></big>
Reader with a simple user interface for Android. It is open-source.


A TTS program. Supported platforms are limited. It is open-source.
<hr><big><big> !! https://www.kiwix.org/ </big></big>


<hr><big><big> !!!! http://www.cross-plus-a.com/balabolka.htm </big></big>
Read Wikipedia and some other sites offline. It is open-source.


A TTS program.
== <div style="color:#119922; font-weight:bold;">RSS Client</div> ==


<hr><big><big> !!!! https://github.com/Danesprite/tts-util-app </big></big>
<hr><big><big> !! https://lzone.de/liferea </big></big>


Text-to-Speech for Android. It is open-source.
RSS feeder for Linux. It is open-source.


<hr><big><big> !!!! https://app-t2s.web.app/ </big></big>
<hr><big><big> !! https://github.com/martinrotter/rssguard </big></big>


It is the highest rated platform on Android.
RSS feeder for desktop. It is open-source.


<hr><big><big> !! https://readaloud.app/ </big></big>
<hr><big><big> !! https://newsboat.org/ </big></big>


Browser add-on. It is open-source.
RSS feeder in command-line. It is open-source.


== <div style="color:#119922; font-weight:bold;">Speech Recognition</div> ==
<hr><big><big> !! https://gitlab.com/spacecowboy/Feeder </big></big>


<hr><big><big> !!!! https://www.speechtexter.com/ </big></big>
RSS feeder for Android. It is open-source.


Turn audio into texts, powered by Google.
== <div style="color:#119922; font-weight:bold;">RSS Feed</div> ==


<hr><big><big> !!!! https://speech-to-text-demo.ng.bluemix.net/ </big></big>
<hr><big><big> !! https://rss.feedspot.com/ </big></big>


Turn audio into texts, powered by IBM Watson.
List of RSS feeds with details.


== <div style="color:#119922; font-weight:bold;">Example Sentence</div> ==
<hr><big><big> !! https://www.cyberseo.net/public-rss-feed-catalogue/ </big></big>


<hr><big><big> !!!! https://tatoeba.org/ </big></big>
Catalogue of RSS feeds.


Example sentences in many languages. Its work is under public licenses.
== <div style="color:#119922; font-weight:bold;">Image Viewer</div> ==


Don't forget to try searching in both directions. You can not only see the meaning of a sentence, but also try to translate a sentence into the language you are learning and see how you did.
<hr><big><big> !! https://github.com/nomacs/nomacs </big></big>


If you want to translate, please translate sentences with audio first, because the translations may appear on sites which provide translations of audio.
Image viewer. It is open-source.


<hr><big><big> !! https://deskell.sketchengine.co.uk/run.cgi/skell </big></big>
<hr><big><big> !! https://github.com/atanunq/viu </big></big>


Sketch from a large of text corpus.
Image viewer in command-line. It is open-source.


<hr><big><big> !!!! https://weblate.org/ </big></big>
== <div style="color:#119922; font-weight:bold;">Vocabulary Builder</div> ==


Website for localisation. You can easily find parallel texts. It is open-source.
<hr><big><big> !!!! https://github.com/jzohrab/lute-v3 </big></big>


<hr><big><big> !! http://sublearning.com/ </big></big>
Build vocabulary list by adding definitions to words on texts. It is open-source.


Subtitles in parallel. Sometimes the selected lines don't match because the sentences are not complete. Sometimes there are mistakes in subtitles.
<hr><big><big> !!!! https://vocabhunter.github.io/ </big></big>


== <div style="color:#119922; font-weight:bold;">Parse Tree</div> ==
Find unfamiliar words in a document. Great for getting familiar with all words in a document before reading. Better to disable the filter. It is open-source.


<hr><big><big> !! https://sourceforge.net/projects/treeform/ </big></big>
<hr><big><big> !!!! https://github.com/FreeLanguageTools/vocabsieve </big></big>


A tool to draw parse trees and have a better understanding of sentence structures. It is open-source.
Analyse the sentence, find the vocabulary and create Anki flashcards. It is open-source.


[https://www.youtube.com/watch?v=A5DhtQgrlTE A video about it].
<hr><big><big> !!!! https://github.com/geajack/Wordology </big></big>


<hr><big><big> !! https://ltc.sourceforge.io/ </big></big>
Browser add-on for building vocabulary. It is open-source.


A different one to draw parse trees. It is open-source.
Available for [https://chromewebstore.google.com/detail/wordology/ganonoebdpdnhcbolgkelccfaffgmlpd Chromium] and [https://addons.mozilla.org/en-US/firefox/addon/wordology/ Firefox].


== <div style="color:#119922; font-weight:bold;">Text Memorization</div> ==
<hr><big><big> !! https://github.com/xxyzz/WordDumb </big></big>


<hr><big><big> !! https://github.com/zg/text-memorize </big></big>
Footnote creator for e-books. It is open-source.


For memorizing text. Python is required.
== <div style="color:#119922; font-weight:bold;">Webpage Tool</div> ==


For Chinese, Japanese, Lao, Thai, Vietnamese and some other languages, [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Introduction-to-some-language-tools#Word_segmentation word segmentation] is required.
<hr><big><big> !! https://piro.sakura.ne.jp/xul/_treestyletab.html.en </big></big>


== <div style="color:#119922; font-weight:bold;">Phrasebook</div> ==
Arrange browser tabs in hierarchy. It is open source.


<hr><big><big> !!!! https://www.funeasylearn.com/ </big></big>
<hr><big><big> !! https://github.com/gildas-lormeau/SingleFile </big></big>


It provides apps for both phrase and vocabulary.
Save the web page as a single file.


<hr><big><big> !! https://www.loecsen.com/ </big></big>
There is also a [https://github.com/gildas-lormeau/SingleFile SingleFileZ], which can compress pages.


It supports many languages, and it is detailed.
<hr><big><big> https://github.com/OlegWock/anori </big></big>


This service has been having the background of political activism (pro-Ukraine).
Browser extension for customised new tab. It is open-source.


<hr><big><big> !! https://www.50languages.com/ </big></big>
<hr><big><big> https://github.com/zimocode/smartupGesturefy </big></big>


Actually a few more than 50 languages. You can also have a test there.
Gestures for some Browsers. It is open-source.


== <div style="color:#119922; font-weight:bold;">World Clock, Calendar & Weather</div> ==
== <div style="color:#119922; font-weight:bold;">Speed Reader</div> ==


<hr><big><big> !! https://www.timeanddate.com/ </big></big>
<hr><big><big> https://github.com/Darazaki/Spedread </big></big>


It has not only the world clock for every city, but also many other features, such as calendars with festivals of most countries.
Reading speed trainer for Linux. It is open-source.


<hr><big><big> !! https://github.com/chubin/wttr.in </big></big>
<hr><big><big> !! https://github.com/pasky/speedread </big></big>


Weather program in command line. It is open-source.
Reading speed trainer. Perl is required. It is open-source.


<hr><big><big> !! https://weather.pd-dev.xyz/ </big></big>
<hr><big><big> !! https://github.com/nemanjan00/uniread </big></big>


Weather program with Android version. It is open-source.
Speed reader with e-book support. It is open-source.


<hr><big><big> !! https://www.ventusky.com/ </big></big>
<hr><big><big> !! https://comfortreader.rhizomaticdesign.net/ </big></big>


A lot of things about meteorology.
Streaming reader for Android. It is open-source.


<hr><big><big> !! https://earth.nullschool.net/ </big></big>
<hr><big><big> !! https://github.com/FP22FD/auto-scroll-down-chrome-extension </big></big>


Wind, weather, ocean conditions.
Autoscrolling for Chromium/Chrome. Good for practising reading speed.


<hr><big><big> !! https://waqi.info/ </big></big>
<hr><big><big> !! https://github.com/hisakaz0/AutoScrolling </big></big>


Air condition around the world.
Autoscrolling for Firefox. Good for practising reading speed. It is open-source.


== <div style="color:#119922; font-weight:bold;">Community</div> ==
== <div style="color:#119922; font-weight:bold;">Book Catalogue</div> ==


<hr><big><big> !! https://www.italki.com/ </big></big>
<hr><big><big> https://github.com/tfonteyn/NeverTooManyBooks </big></big>


The most popular language learning community by now. It also pushes helpful articles written by teachers.
Book catalogue on Android. It is open-source.


<hr><big><big> !! https://www.tolearnfree.com/free-educational-sites.php </big></big>
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Reading-material-enhanced-for-language-learning <u>Reading Material</u>]</div> ==


The design of the webpages is old-fashioned, but it has a lot of content, including little tests.
<hr><big><big> !! https://wikisource.org/wiki/Main_Page </big></big>


Its French version has something more.
Literature in public domain. They can be downloaded.


<hr><big><big> !! https://polyglotclub.com/ </big></big>
<hr><big><big> https://www.gutenberg.org/ </big></big>


There are some rare features of it, such as Wiki lessons, Events. It adopts ISO 639-3, almost every language is included here.
The largest collections of books in the public domain, mostly in English, though.


== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Most-Popular-Forums-around-the-World <u>Forum</u>]</div> ==
Android app for downloading books is available at [https://github.com/Pool-Of-Tears/Myne Myne].


<hr><big><big> https://hinative.com/ </big></big>
There is a book catalogue website with ever-changing domain names: LibGen, which contains a wider range of books. Make sure you don't see any strange link there. [https://github.com/manuelvargastapia/libgen_mobile_app It is also available on Android].


Ask and answer with people around the world.
<hr><big><big> !! https://onlinebooks.library.upenn.edu/archives.html </big></big>


In some channels, questions are too many, answer rates are low. Try asking at Polyglot Club.
List of book collections. Many links are available in “https” now, but appear as “http” on this page.


Ask in parallel text in case the respondent doesn't understand your formulation.
== <div style="color:#119922; font-weight:bold;">Writing</div> ==


<hr><big><big> https://stackexchange.com/sites#culturerecreation </big></big>
<hr><big><big> https://owl.excelsior.edu/ </big></big>


One of the most popular Q&A site.
It is not for learning languages, but for how to write and read. Its work is under a public license.


== <div style="color:#119922; font-weight:bold;">Language Exchange</div> ==
It is teaching about English, so something does not apply to some other languages.


<hr><big><big> !! https://conversationexchange.com/ </big></big>
<hr><big><big> https://owl.purdue.edu/owl/purdue_owl.html </big></big>


Find language exchange partners online.
Another online writing lab.


<hr><big><big> !! https://www.lingbe.com/ </big></big>
<hr><big><big> https://www.theologeek.ch/manuskript/ </big></big>


Talking with people.
Tool for writing stuff. It is open-source.


<hr><big><big> !! https://mylanguageexchange.com/ </big></big>
<hr><big><big> https://github.com/Wavesonics/hammer-editor </big></big>


Free users can be contacted by those who have paid. Since they have paid, they are more likely to be serious learners.
Tool for writing on Android. It is open-source.


<hr><big><big> !! https://cryptpad.fr/ </big></big>
<hr><big><big> https://github.com/Wavesonics/hammer-editor </big></big>


Cloud office suit. Zero knowledge. It is open-source.
Corrector of minor typos. It is open-source.


It's also great for language partners to do something together.
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Internet-Dictionaries <u>Dictionary</u>]</div> ==


== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Internet-Blogs <u>Blog</u>]</div> ==
<hr><big><big> !!!! https://www.wiktionary.org/ </big></big>


<hr><big><big> https://blogs.transparent.com/ </big></big>
Practical, no need to switch dictionaries, translations in many languages are shown together.


There are periodically good contents being presented.
there is a [https://github.com/tatuylonen/wiktextract parser] for its data. [https://kaikki.org/index.html Extracted JSON data] are also available.


<hr><big><big> https://www.thoughtco.com/languages-4133094 </big></big>
<hr><big><big> !!!! https://www.wordreference.com/ </big></big>


Languages are fewer than Transparent's, and so do the update frequency. But its quality is still high.
It is really completed.


<hr><big><big> https://blog.feedspot.com/culture_blogs/ </big></big>
<hr><big><big> !!!! https://www.linguee.com/ </big></big>


Blogs about cultures. There are also [https://blog.feedspot.com/culture_magazines/ magazines].
It is completed, with example sentences of high quality. You can even find uncommon words with meanings of common words.


== <div style="color:#119922; font-weight:bold;">Lyrics</div> ==
<hr><big><big> !!!! https://bab.la/ </big></big>


<hr><big><big> !! https://www.musixmatch.com/ </big></big>
It is completed for several languages.


Lyrics and their translations.
<hr><big><big> !!!! https://iate.europa.eu/ </big></big>


<hr><big><big> !! https://lyricstranslate.com/ </big></big>
Terminology dictionary of European Union. That is to say, what you search should be a term.


Lyrics and their translations.
<hr><big><big> !! https://glosbe.com/ </big></big>


This service has been having the background of political activism (pro-Ukraine).
It supports a lot of languages, citing results from several corpora. It is somehow messy and in many cases inaccurate, but if the dictionaries listed above have no result about a word, this one may help.


== <div style="color:#119922; font-weight:bold;">Subtitle</div> ==
<hr><big><big> !!!! https://xiaoyifang.github.io/goldendict-ng/ </big></big>


<hr><big><big> !! https://www.opensubtitles.org/ </big></big>
It supports online and offline dictionaries, based on [http://goldendict.org/ GoldenDict]. It is open-source.


One of the most popular subtitle sites. Subtitles in European languages are easier to find.
You can search the word by selecting it and listen to Forvo pronunciation. You can also add dictionary websites.


➡ [https://polyglotclub.com/language.php?tool_id=9 Write a review]
<hr><big><big> !!!! https://crissium.github.io/SilverDict/ </big></big>


<hr><big><big> !! https://subscene.com/ </big></big>
Web version of GoldenDict. It is open-source.


One of the most popular subtitle sites. Subtitles in English, Arabic, Persian, Indonesian are easier to find.
<hr><big><big> !!!! https://github.com/pnlpal/dictionaries </big></big>


<hr><big><big> !! https://getcaption.co/ </big></big>
Browser add-on with clear results and can export to Anki decks. It is open-source.


For downloading subtitles on desktop. You can add websites on your own. It is open-source.w
<hr><big><big> !!!! https://mouse-dictionary.netlify.app/ </big></big>


<hr><big><big> !! https://github.com/FunkyMuse/SubHub </big></big>
Browser add-on for searching local dictionary files. It is open-source.


For downloading subtitles on Android. It is open-source.
To convert dictionary text files into TSV format, see [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/How-to-make-a-TSV-file this article]. The files at “mouse-dictionary/data/rule/” will need to be edited as well.


<hr><big><big> !! https://bonigarcia.github.io/dualsub/index.html </big></big>
<hr><big><big> https://aarddict.org/ </big></big>


It can help to merge two subtitles. It may crash at the second time. It is open-source.
Different from other advocates for donating to Ukraine, they have an offline dictionary. It is open-source.


<hr><big><big> !! https://www.smplayer.info/ </big></big>
<hr><big><big> https://github.com/rdoeffinger/Dictionary </big></big>


This player can display two subtitles. It is open-source.
Offline Wiktionary with custom dictionary support on Android. Its search results are easy to read for robots like you. It is open-source.


What a good name of this program.
<hr><big><big> https://codeberg.org/GrimPixel/Text_to_Wordlist </big></big>


<hr><big><big> !! http://subs2srs.sourceforge.net/ </big></big>
Turn a text into a wordlist and attach dictionary items on them with JSON files from kaikki.org. It is open-source.


Turn subtitles into flashcards. It is open-source.
== <div style="color:#119922; font-weight:bold;">Translator</div> ==


[https://www.youtube.com/watch?v=4AvgqVGHP8A A video about it].
<hr><big><big> !! https://crow-translate.github.io/ </big></big>


== <div style="color:#119922; font-weight:bold;">News</div> ==
Translator with multiple engine support. It is open-source.


<hr><big><big> !! http://www.abyznewslinks.com/ </big></big>
<hr><big><big> !! https://github.com/Bnyro/TranslateYou </big></big>


Links to news websites.
Translator for Android. It is open-source.


Some TV have shows for free, some of which even with subtitles.
<hr><big><big> !! https://github.com/FilipePS/Traduzir-paginas-web </big></big>


<hr><big><big> !! https://gitlab.com/magnolia1234/bypass-paywalls-chrome-clean / https://gitlab.com/magnolia1234/bypass-paywalls-firefox-clean</big></big>
Webpage translation for Firefox. It is open-source.


Paywall bypasser for Chromium/Chrome, Firefox and other browsers. It is open-source.
<hr><big><big> !! https://simple-translate.sienori.com/ </big></big>


<hr><big><big> https://liveuamap.com/ </big></big>
Browser add-on for Google Translate with detailed information. It is open-source.


Live map with news from social media.
<hr><big><big> https://github.com/ttop32/MouseTooltipTranslator </big></big>


== <div style="color:#119922; font-weight:bold;">Radio & Podcast</div> ==
Translator for Chromium and other Browsers with mouse hovering. It is open-source.


<hr><big><big> !! https://www.radio-browser.info/ </big></big>
This extension sets AltGr key to translate.


A list of internet radio stations. You can find clients in “Apps”, some of which are open-source.
<hr><big><big> https://www.soimort.org/translate-shell/ </big></big>


I prefer two stations: Public Domain Classical, Public Domain Jazz. Pleasing names.
Command-line translator from different sources. It is open-source.


<hr><big><big> !! https://www.listennotes.com/ </big></big>
<hr><big><big> https://www.apertium.org/ </big></big>


Search Engine of podcasts.
It is open-source.


<hr><big><big> !! https://gpodder.github.io/ </big></big>
[https://www.youtube.com/watch?v=2atSy3Zfiec A video about it].


Podcast player for desktop. It is open-source.
<hr><big><big> https://www.argosopentech.com/ </big></big>


<hr><big><big> !! https://antennapod.org/ </big></big>
It is open-source.


Podcast player with search engine for Android. It is open-source.
<hr><big><big> !!!! https://www.dual-subtitles.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Live & Video</div> ==
Dual subtitles on YouTube integrated in the video player. The translation is set in the setting “Default subtitles” of YouTube.


<hr><big><big> !! https://mpv.io/ </big></big>
<hr><big><big> !!!! https://www.dualsub.xyz/ </big></big>


Video player with fast response. It is open-source.
Dual subtitles on YouTube and other sites with Chinese and Japanese transcription support. Embedded videos are not supported.


<hr><big><big> !! https://livetvcentral.com/ </big></big>
<hr><big><big> !!!! https://www.subtrans.cc/ </big></big>


The most complete list of worldwide online TV channels.
Dual subtitles on YouTube and other sites with SRT file support. Subtitles can be delayed or advanced.


Many links are dead, but the live stream is still available somewhere else in many of these sites.
== <div style="color:#119922; font-weight:bold;">Conjugation</div> ==


<hr><big><big> !! https://www.squidtv.net/ </big></big>
<hr><big><big> !!!! https://cooljugator.com/ </big></big>


Another list of TV channels, has fewer channels but contains details.
Conjugation and some declension.


<hr><big><big> !! https://www.downthemall.org/ </big></big>
<hr><big><big> !!!! https://www.verbix.com/ </big></big>


Link and image downloader. It is open-source.
Conjugation.


<hr><big><big> !! https://github.com/yt-dlp/yt-dlp </big></big>
== <div style="color:#119922; font-weight:bold;">Gender</div> ==


Video downloader in command line. It is open-source.
<hr><big><big> !! http://www.passion4teq.com/apps/ </big></big>


<hr><big><big> https://similarchannels.com/ </big></big>
Apps for practising genders in 4 languages. You can also estimate how long you can practice until your battery goes empty.


It can find similar YouTube channels.
== <div style="color:#119922; font-weight:bold;">Number</div> ==
<hr><big><big> https://codeberg.org/GrimPixel/Numeration </big></big>


<hr><big><big> https://similarchannel.com/ </big></big>
Program to practise reading numbers. It is open-source.


Another similar YouTube channels finder. Automated.
In progress. It can see major progresses during school holidays. Introduction: [[Language/Multiple-languages/Vocabulary/Numeration-Tutorial]].


== <div style="color:#119922; font-weight:bold;">Language Information</div> ==
➡ [https://polyglotclub.com/language.php?tool_id=14 Write a review]


<hr><big><big> https://www.omniglot.com/ </big></big>
<hr><big><big> !! https://www.languagesandnumbers.com/numbering-systems/ </big></big>


It provides information about basic knowledge of many languages. Many “Alphabet and Pronunciation” lessons on this site are from there.
Rules of writing numbers, more concise than Wikipedia's entries.


➡ [https://polyglotclub.com/language.php?tool_id=11 Write a review]
== <div style="color:#119922; font-weight:bold;">Grammar Checker</div> ==


<hr><big><big> https://glottolog.org/ </big></big>
<hr><big><big> https://languagetool.org/ </big></big>


Information of languages of the world. Not only languages, but also many varieties. It is open-source. Its work is under a public license.
It supports several languages, but works well on the few. It is open-source.


<hr><big><big> https://www.scriptsource.org/ </big></big>
[https://www.youtube.com/watch?v=KnQCHo14gOU A video about the rule editor].


Information of scripts. Its work is under a public license.
== <div style="color:#119922; font-weight:bold;">Audio Player</div> ==


<hr><big><big> https://www.muturzikin.com/countries.htm </big></big>
<hr><big><big> !! https://audacious-media-player.org/ </big></big>


Linguistic maps.
Lightweight audio player for desktops. It is open-source.


<hr><big><big> https://lingvo.info/ </big></big>
<hr><big><big> !! https://www.strawberrymusicplayer.org/ </big></big>


General knowledge about European languages.
Audio manager with many features. It is open-source.


<hr><big><big> https://iso639-3.sil.org/ </big></big>
<hr><big><big> !! https://quodlibet.readthedocs.io/ </big></big>


Codes for every language and is still being updated. You can find the whole table.
Simple audio manager. It is open-source.


== <div style="color:#119922; font-weight:bold;">General Knowledge</div> ==
<hr><big><big> https://musikcube.com/ </big></big>


<hr><big><big> https://www.britannica.com/ </big></big>
Music player in command-line. It is open-source.


A comprehensive encyclopedia.
<hr><big><big> !! https://github.com/chr56/Phonograph_Plus </big></big>


== <div style="color:#119922; font-weight:bold;">Educational Resources</div> ==
Lightweight audio player for Android. It is open-source.


<hr><big><big> https://libguides.humboldt.edu/openedu/ </big></big>
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Listening-material-with-transcript <u>Listening Material</u>]</div> ==


Educational resources including geography, history and sociology. When you have learned such subjects, you will have insights on a culture or civilisation.
<hr><big><big> !!!! https://www.listeningpractice.org/ </big></big>


== <div style="color:#119922; font-weight:bold;">Map</div> ==
To practice listening. Voices are from volunteers and their qualities vary. It also has conjugation exercises. Its work is under public licenses.


<hr><big><big> !! https://www.openstreetmap.org/ </big></big>
If your browser doesn't play the audio automatically, then you need to grant the website the autoplay permission (next to the URL in Firefox).


Another map site. You can even download them. It is open-source.
<hr><big><big> !! https://globalstorybooks.net/ </big></big>


There is [https://www.youtube.com/watch?v=A_v7HrDJfyk a video about its modification with Inkscape].
Stories in many languages translated from [https://africanstorybook.org/ African Storybook]. Its work is under a public license.


<hr><big><big> !! https://marble.kde.org/ </big></big>
<hr><big><big> !! https://www.easy-languages.org/ </big></big>


Alternative to Google Earth. It is open-source.
Street interview videos with embedded subtitles. Real and fun.


<hr><big><big> !! https://organicmaps.app/ </big></big>
The first time I watch a video, I was busy picking up the unknown words; the second time, I understood the sentences; the third time, I got an impression what kind of person the interviewee is.


Offline maps for mobile with OpenStreetMap data. It is open-source.
<hr><big><big> !! https://librivox.org/ </big></big>


<hr><big><big> !! https://ontheworldmap.com/ </big></big>
Books read by volunteers. Its work is under public licenses.


Downloadable maps. It even includes cities. I don't expect them to be up-to-date.
<hr><big><big> !! https://lyricstraining.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Culture & Travel</div> ==
Listen to songs and fill in the blanks of lyrics.


<hr><big><big> https://ehrafworldcultures.yale.edu/ </big></big>
<hr><big><big> !! https://www.captionpop.com/ </big></big>


Introductions to cultures.
Watch videos and learn with subtitles.


<hr><big><big> https://www.wikivoyage.org/ </big></big>
<hr><big><big> !! https://lingualibre.org/ </big></big>


Introduction of the city and many details of countries. It is open-source.
Recordings. Its work is under a public license.


The most important page for travellers is [https://en.wikivoyage.org/wiki/Stay_safe this].
<hr><big><big> !! https://rhinospike.com/ </big></big>


<hr><big><big> https://www.everyculture.com/ </big></big>
Recordings.


Its information is old. There are details of peoples and countries.
<hr><big><big> !! https://audio-lingua.ac-versailles.fr/ </big></big>


<hr><big><big> https://www.civilopedia.net/ </big></big>
Listening materials with CEFRL levels. Its work is under public licenses.


Encyclopedia for Sid Meier's Civilization VI. It even has multiple languages, so it's great for reading as well.
It doesn't have transcripts, so speech-recognition is required.


<hr><big><big> https://culturalatlas.sbs.com.au/ </big></big>
== <div style="color:#119922; font-weight:bold;">Audio Tool</div> ==


It is about countries and in progress.
<hr><big><big> !! https://tenacityaudio.org/ </big></big>


<hr><big><big> https://www.commisceo-global.com/country-guides/ </big></big>
For audio edit, as well as training your pronunciation by comparing your own voice with the recording you were imitating. Fork of Audacity without potential privacy violation. It is open-source.


It is mainly about some details about manners.
There are videos about [https://www.youtube.com/watch?v=jEStFcRQSbE checking your pronunciation], [https://www.youtube.com/watch?v=r_PpDODVpNg practising dialogues on your own], [https://www.youtube.com/watch?v=Lla74qPiGQ8 recording computer audio], [https://www.youtube.com/watch?v=4hUFTitJVyc labeling audio positions].


<hr><big><big> https://guide.culturecrossing.net/index.php </big></big>
<hr><big><big> !! https://obsproject.com/ </big></big>


It is mainly about some details about manners.
When you are playing games in the languages you are learning, it is often hard to focus on the voices and subtitles without failing your goals in the games. You can solve this problem by recording your gameplay with this program. It is open-source.


<hr><big><big> https://en.wikipedia.org/wiki/List_of_subcultures </big></big>
<hr><big><big> https://www.fon.hum.uva.nl/praat/ </big></big>


Subcultures, modern things.
With this one, you can say you are “studying” pronunciation.


<hr><big><big> https://whc.unesco.org/en/list/ </big></big>
[https://www.youtube.com/watch?v=fjlFNOzfdPo A little tutorial] and [https://www.youtube.com/watch?v=EDNhmBsOXcM&list=PL4mxJ1XKfFjK9VswLDnYqgJiO4mOoVzyQ a big playlist of various videos].


Cultural heritages. There is also an interactive map.
== <div style="color:#119922; font-weight:bold;">Text-to-Speech</div> ==
If you don't know how to get the voices on Windows, you can see [[Language/Multiple-languages/Culture/How-to-use-SR-and-TTS-on-Windows]].


<hr><big><big> https://ich.unesco.org/en/lists/ </big></big>
<hr><big><big> !! https://github.com/ideasman42/nerd-dictation </big></big>


Intangible cultural heritages.
TTS for Linux. It is open-source.


<hr><big><big> https://www.tripadvisor.com/ </big></big>
<hr><big><big> !!!! https://www.cwu.edu/student-life/student-support/central-access/resources/reader.php </big></big>


Guide of travelling cities.
A TTS program. It is open-source.


This service has been having the background of political activism (pro-Ukraine).
<hr><big><big> !!!! http://www.cross-plus-a.com/balabolka.htm </big></big>


<hr><big><big> https://www.cia.gov/the-world-factbook/ </big></big>
A TTS program with support other than SAPI 5.


A formal publication of basic information about countries.
<hr><big><big> !!!! https://github.com/Danesprite/tts-util-app </big></big>


<hr><big><big> https://worldcultures.webs.com/ </big></big>
Text-to-Speech for Android. It is open-source.


Links to other sites about cultures.
<hr><big><big> !! https://readaloud.app/ </big></big>


== <div style="color:#119922; font-weight:bold;">History</div> ==
Browser add-on. It is open-source.


<hr><big><big> https://www.worldhistory.org/ </big></big>
<hr><big><big> !! https://github.com/suno-ai/bark </big></big>


An encyclopedia. Articles, images, videos, 3D images, podcasts and more.
Text-to-Speech model. It is open-source.


<hr><big><big> http://www.fsmitha.com/ </big></big>
<hr><big><big> !! https://codeberg.org/GrimPixel/Altering_TTS </big></big>


Detailed articles about history.
A little program to generate audio files with altering TTS voices. It is open-source.


<hr><big><big> https://play.google.com/store/apps/details?id=com.timleg.historytimeline </big></big>
Configure everything in “setting.yaml”, have a look at “demo.tsv”. Change your command-line directory into the folder, run “python do.py“ to start.


An app about major events of history.
Currently only Google Translate is supported. Offline engines on the way.


<hr><big><big> https://www.hyperhistory.com/online_n2/History_n2/a.html </big></big>
== <div style="color:#119922; font-weight:bold;">Speech Recognition</div> ==


Basic knowledge of the world history. Good for beginners. Looks old-fashioned, but it is not bad if you get used to it.
<hr><big><big> !!!! https://github.com/audapolis/audapolis </big></big>


<hr><big><big> https://histography.io/ </big></big>
It transcribes audio. It is open-source.


Historical events in dots.
<hr><big><big> !!!! https://www.speechtexter.com/ </big></big>


<hr><big><big> https://omniatlas.com/ </big></big>
Turn audio into texts, powered by Google.  


It shows you some old news with detailed maps.
<hr><big><big> !!!! https://speech-to-text-demo.ng.bluemix.net/ </big></big>


<hr><big><big> https://www.timemaps.com/ </big></big>
Turn audio into texts, powered by IBM Watson.


Maps of history.
== <div style="color:#119922; font-weight:bold;">Example Sentence</div> ==


<hr><big><big> https://geacron.com/ </big></big>
<hr><big><big> !!!! https://tatoeba.org/ </big></big>


Map of every year.
Example sentences in many languages. Its work is under public licenses.


<hr><big><big> https://www.oldmapsonline.org/ </big></big>
Don't forget to try searching in both directions. You can not only see the meaning of a sentence, but also try to translate a sentence into the language you are learning and see how you did.


Old maps around the world.
If you want to translate, please translate sentences with audio first, because the translations may appear on sites which provide translations of audio.


The site has trouble with the mobile site. You need to set to view the desktop site on mobile.
<hr><big><big> !! https://deskell.sketchengine.co.uk/run.cgi/skell </big></big>


== <div style="color:#119922; font-weight:bold;">Philosophy & Religion</div> ==
Sketch from a large of text corpus.


<hr><big><big> https://en.wikipedia.org/wiki/List_of_religions_and_spiritual_traditions </big></big>
== <div style="color:#119922; font-weight:bold;">Parallel Text</div> ==


List of religions and spiritual traditions.
<hr><big><big> !!!! https://weblate.org/ </big></big>


Not believing a religion itself is also religious.
Website for localisation. You can easily find parallel texts. It is open-source.


<hr><big><big> https://www.philosophybasics.com/ </big></big>
<hr><big><big> !! http://sublearning.com/ </big></big>


The basics of philosophy, “by a layman for the layman”.
Subtitles in parallel. Sometimes the selected lines don't match because the sentences are not complete. Sometimes there are mistakes in subtitles.


<hr><big><big> https://simplyphilosophy.org/ </big></big>
<hr><big><big> https://www.manualslib.com/ </big></big>


Articles about different aspects of philosophy.
Manuals. Some of them are in multiple languages. You can also find their German, Spanish, French domains at the bottom of the page.


<hr><big><big> http://philosophypages.com/ </big></big>
<hr><big><big> https://www.bible.com/ </big></big>


Resources about philosophy. Its work is under a public license.
Bible in more than 1600 languages.


<hr><big><big> https://www.learnreligions.com/ </big></big>
<hr><big><big> https://andbible.org/ </big></big>


Articles about religions.
Bible in many languages on Android. It is open-source.


<hr><big><big> https://virtualreligion.net/ </big></big>
<hr><big><big> https://quran.com/ </big></big>


Resources about religions.
Quran in many languages. It has an open-source Android app and other  programs on [https://github.com/quran/quran_android GitHub].


== <div style="color:#119922; font-weight:bold;">Geography</div> ==
== <div style="color:#119922; font-weight:bold;">Parse Tree</div> ==


<hr><big><big> https://www.worldatlas.com/ </big></big>
<hr><big><big> !! https://sourceforge.net/projects/treeform/ </big></big>


Short articles.
A tool to draw parse trees and have a better understanding of sentence structures. It is open-source.


<hr><big><big> !! http://worldmapquiz.qbisstudio.com/index.html </big></big>
[https://www.youtube.com/watch?v=A5DhtQgrlTE A video about it].


An app for practising world map in several languages.
<hr><big><big> !! https://ltc.sourceforge.io/ </big></big>
Dependencies are not all included. The form of address in Chinese version is a mixture of PRC's and ROC's, which is not good. For Chinese names of countries, there is a list: [[Language/Mandarin-chinese/Vocabulary/Countries-and-Nationalities]].


<hr><big><big> !! https://www.geoguessr.com/seterra/ </big></big>
A different one to draw parse trees. It is open-source.


Game of geography, online or with apps.
== <div style="color:#119922; font-weight:bold;">Text Memorization</div> ==


<hr><big><big> https://www.flagid.org/ </big></big>
<hr><big><big> !! https://github.com/zg/text-memorize </big></big>


Flag identifier.
For memorizing text.


<hr><big><big> https://www.geoguessr.com/free </big></big>
== <div style="color:#119922; font-weight:bold;">Phrasebook</div> ==


Quiz of guessing the location from street view.
<hr><big><big> !!!! https://www.funeasylearn.com/ </big></big>


<hr><big><big> https://www.geographynow.com/ </big></big>
It provides apps for both phrase and vocabulary.


Videos about world geography. You can expect political correctness.
<hr><big><big> !! https://www.loecsen.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Music</div> ==
It supports many languages, and it is detailed.


<hr><big><big> !! https://folkcloud.com/ </big></big>
<hr><big><big> !! https://www.50languages.com/ </big></big>


Information about folk music.
Actually a few more than 50 languages. You can also have a test there.


<hr><big><big> !! https://www.chosic.com/ </big></big>
== <div style="color:#119922; font-weight:bold;">Clock</div> ==


Many tools about music, including similar song finder.
<hr><big><big> !! https://theknight.co.uk/ </big></big>


<hr><big><big> !! https://www.soundhound.com/ </big></big>
Clock widget on Linux. It is open-source.


Recognize music with recording or your hum. It has some advantages over Shazam.
<hr><big><big> !! https://www.timeanddate.com/ </big></big>


<hr><big><big> !! https://www.shazam.com/ </big></big>
It has not only the world clock for every city, but also many other features, such as calendars with festivals of most countries.


Recognize music with recording. It has some advantages over Soundhound.
== <div style="color:#119922; font-weight:bold;">Weather</div> ==


== <div style="color:#119922; font-weight:bold;">Art</div> ==
<hr><big><big> !! https://github.com/chubin/wttr.in </big></big>


<hr><big><big> !! https://www.wikiart.org/ </big></big>
Weather program in command line. It is open-source.


All kinds of artwork around the world.
<hr><big><big> !! https://github.com/woheller69/omweather </big></big>


This service has been having the background of political activism (pro-Ukraine).
Weather program for Android. It is open-source.


== <div style="color:#119922; font-weight:bold;">Dance</div> ==
<hr><big><big> !! https://www.ventusky.com/ </big></big>


<hr><big><big> !! https://en.wikipedia.org/wiki/List_of_ethnic,_regional,_and_folk_dances_by_origin </big></big>
A lot of things about meteorology.


Dances by origin. You can search for them on video sites.
<hr><big><big> !! https://earth.nullschool.net/ </big></big>


== <div style="color:#119922; font-weight:bold;">Cuisine</div> ==
Wind, weather, ocean conditions.


<hr><big><big> https://www.allrecipes.com/recipes/86/world-cuisine/ </big></big>
<hr><big><big> !! https://waqi.info/ </big></big>


A bit of recipes around the world.
Air condition around the world.


<hr><big><big> https://en.wikipedia.org/wiki/List_of_cuisines </big></big>
== <div style="color:#119922; font-weight:bold;">Community</div> ==


List of cuisines.
<hr><big><big> !! https://www.pidgin.im/ </big></big>


== <div style="color:#119922; font-weight:bold;">Board Game</div> ==
Chat client that supports many protocols through plug-ins. It is open-source.


<hr><big><big> !! https://www.gnu.org/software/xboard/ </big></big>
<hr><big><big> !! https://www.italki.com/ </big></big>


Traditional board games. Its user interface is more cruel than AI opponents. It is open-source.
The most popular language learning community by now. It also pushes helpful articles written by teachers.


There are pre-installed engines, but they are somehow old. The most versatile engine is [https://github.com/ianfab/Fairy-Stockfish Fairy Stockfish].
<hr><big><big> !! https://www.tolearnfree.com/free-educational-sites.php </big></big>


[https://github.com/cutechess/cutechess Cute Chess] looks good, but Xiangqi and Janggi are missing.
The design of the webpages is old-fashioned, but it has a lot of content, including little tests.


== <div style="color:#119922; font-weight:bold;">Folk Costume</div> ==
Its French version has something more.


<hr><big><big> !! https://en.wikipedia.org/wiki/Folk_costume </big></big>
<hr><big><big> !! https://polyglotclub.com/ </big></big>


List of folk costume.
There are some rare features of it, such as Wiki lessons, Events. It adopts ISO 639-3, almost every language is included here.


== <div style="color:#119922; font-weight:bold;">Folktale</div> ==
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Most-Popular-Forums-around-the-World <u>Forum</u>]</div> ==


<hr><big><big> https://fairytalez.com/ </big></big>
<hr><big><big> https://hinative.com/ </big></big>


Some tales.
Ask and answer with people around the world.


<hr><big><big> https://www.worldoftales.com/ </big></big>
In some channels, questions are too many, answer rates are low. Try asking at Polyglot Club.


Some tale books.
Ask in parallel text in case the respondent doesn't understand your formulation.


== <div style="color:#119922; font-weight:bold;">Festival</div> ==
<hr><big><big> https://stackexchange.com/sites#culturerecreation </big></big>
<hr><big><big> !! https://en.wikipedia.org/wiki/Category:Lists_of_festivals_by_country </big></big>


Not complete, but still good.
One of the most popular Q&A site.


<hr><big><big> https://www.world-festivals.net/ </big></big>
== <div style="color:#119922; font-weight:bold;">Language Exchange</div> ==


It includes more countries than the one above. I wonder if it is so difficult to gather information about festivals.
<hr><big><big> !! https://conversationexchange.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Martial Art</div> ==
Find language exchange partners online.
<hr><big><big> https://en.wikipedia.org/wiki/List_of_martial_arts </big></big>


List of martial arts.
<hr><big><big> !! https://www.lingbe.com/ </big></big>


<hr><big><big> https://blackbeltwiki.com/ </big></big>
Talking with people.


Introduction to many martial arts.
<hr><big><big> !! https://mylanguageexchange.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Name </div> ==
Free users can be contacted by those who have paid. Since they have paid, they are more likely to be serious learners.


<hr><big><big> !! https://www.behindthename.com/ </big></big>
<hr><big><big> !! https://cryptpad.fr/ </big></big>


Find the meanings of a given name.
Cloud office suit. Zero knowledge. It is open-source.


== <div style="color:#119922; font-weight:bold;">Astronomy</div> ==
It's also great for language partners to do something together.
 
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Internet-Blogs <u>Blog</u>]</div> ==
 
<hr><big><big> https://blogs.transparent.com/ </big></big>
 
There are periodically good contents being presented.
 
<hr><big><big> https://www.thoughtco.com/languages-4133094 </big></big>
 
Languages are fewer than Transparent's, and so do the update frequency. But its quality is still high.
 
== <div style="color:#119922; font-weight:bold;">Lyrics</div> ==
 
<hr><big><big> !! https://www.musixmatch.com/ </big></big>
 
Lyrics and their translations.
 
<hr><big><big> !! https://lyricstranslate.com/ </big></big>
 
Lyrics and their translations.
 
== <div style="color:#119922; font-weight:bold;">Subtitle</div> ==
 
<hr><big><big> !! https://www.opensubtitles.org/ </big></big>
 
One of the most popular subtitle sites. Subtitles in European languages are easier to find.
 
➡ [https://polyglotclub.com/language.php?tool_id=9 Write a review]
 
<hr><big><big> !! https://subscene.com/ </big></big>
 
One of the most popular subtitle sites. Subtitles in English, Arabic, Persian, Indonesian are easier to find.
 
<hr><big><big> !! https://getcaption.co/ </big></big>
 
Subtitle downloader on desktop. You can add websites on your own. It is open-source.w
 
<hr><big><big> !! https://github.com/FunkyMuse/SubHub </big></big>
 
Subtitle downloader on Android. It is open-source.
 
<hr><big><big> https://github.com/morpheus65535/bazarr </big></big>
 
Subtitle downloader on web. It is open-source.
 
<hr><big><big> !! https://bonigarcia.github.io/dualsub/index.html </big></big>
 
It can help to merge two subtitles. It may crash at the second time. It is open-source.
 
<hr><big><big> !! http://subs2srs.sourceforge.net/ </big></big>
 
Turn subtitles into flashcards. It is open-source.
 
[https://www.youtube.com/watch?v=4AvgqVGHP8A A video about it].
 
== <div style="color:#119922; font-weight:bold;">News</div> ==
 
<hr><big><big> !! http://www.abyznewslinks.com/ </big></big>
 
Links to news websites.
 
Some TV have shows for free, some of which even with subtitles.
 
<hr><big><big> !! https://gitlab.com/magnolia1234/bypass-paywalls-chrome-clean / https://gitlab.com/magnolia1234/bypass-paywalls-firefox-clean</big></big>
 
Paywall bypasser for Chromium/Chrome, Firefox and other browsers. It is open-source.
 
== <div style="color:#119922; font-weight:bold;">Radio & Podcast</div> ==
 
<hr><big><big> !! https://www.radio-browser.info/ </big></big>
 
A list of internet radio stations. You can find clients in “Apps”, some of which are open-source.
 
I prefer two stations: Public Domain Classical, Public Domain Jazz. Pleasing names.
 
<hr><big><big> !! https://github.com/zaps166/QMPlay2 </big></big>
 
Podcast player for desktop with RadioBrowser support. It is open-source.
 
<hr><big><big> https://github.com/xgi/castero </big></big>
 
Podcast client in command line. It is open-source.
 
<hr><big><big> !! https://github.com/XilinJia/Podcini </big></big>
 
Podcast player with search engine for Android. It is open-source.
 
<hr><big><big> !! https://podcharts.co/ </big></big>
 
Charts of podcasts.
 
<hr><big><big> !! https://www.listennotes.com/ </big></big>
 
Search Engine of podcasts.
 
== <div style="color:#119922; font-weight:bold;">Live & Video</div> ==
 
<hr><big><big> !! https://mpv.io/ </big></big>
 
Video player with fast response. It is open-source.
 
<hr><big><big> !! https://www.smplayer.info/ </big></big>
 
It is a frontend of [http://www.mplayerhq.hu/design7/news.html MPlayer] and can display two subtitles. It is open-source.
 
What a good name of this program.
 
<hr><big><big> !! https://github.com/iptv-org/iptv </big></big>
 
Database of IPTV stream addresses. It is under a public license.
 
<hr><big><big> !! https://github.com/yuki-iptv/yuki-iptv </big></big>
 
IPTV player on desktop. It is open-source.
 
<hr><big><big> !! https://brunochanrio.github.io/DangoPlayer/ </big></big>
 
IPTV player on Android. It is open-source.
 
<hr><big><big> !! https://livetvcentral.com/ </big></big>
 
The most complete list of worldwide online TV channels.
 
Many links are dead, but the live stream is still available somewhere else in many of these sites.
 
<hr><big><big> !! https://www.downthemall.org/ </big></big>
 
Link and image downloader. It is open-source.
 
<hr><big><big> !! https://github.com/yt-dlp/yt-dlp </big></big>
 
Video downloader in command line. It is open-source.
 
<hr><big><big> https://www.favoree.io/ </big></big>
 
Popular YouTube channels, in English.
 
<hr><big><big> https://similarchannels.com/ </big></big>
 
It can find similar YouTube channels.
 
== <div style="color:#119922; font-weight:bold;">Language Information</div> ==
 
<hr><big><big> https://www.omniglot.com/ </big></big>
 
It provides information about basic knowledge of many languages. Many “Alphabet and Pronunciation” lessons on this site are from there.
 
➡ [https://polyglotclub.com/language.php?tool_id=11 Write a review]
 
<hr><big><big> https://glottolog.org/ </big></big>
 
Information of languages of the world. Not only languages, but also many varieties. It is open-source. Its work is under a public license.
 
<hr><big><big> https://www.scriptsource.org/ </big></big>
 
Information of scripts. Its work is under a public license.
 
<hr><big><big> https://www.muturzikin.com/countries.htm </big></big>
 
Linguistic maps.
 
<hr><big><big> https://lingvo.info/ </big></big>
 
General knowledge about European languages.
 
<hr><big><big> https://iso639-3.sil.org/ </big></big>
 
Codes for every language and is still being updated. You can find the whole table.
 
== <div style="color:#119922; font-weight:bold;">General Knowledge</div> ==
 
<hr><big><big> https://www.britannica.com/ </big></big>
 
A comprehensive encyclopedia.
 
== <div style="color:#119922; font-weight:bold;">Educational Resources</div> ==
 
<hr><big><big> https://oasis.geneseo.edu/index.php </big></big>
 
Educational resources including geography, history and sociology. Its contents are under public licenses.
 
== <div style="color:#119922; font-weight:bold;">Map</div> ==
 
<hr><big><big> !! https://www.openstreetmap.org/ </big></big>
 
Another map site. You can even download them. It is open-source.
 
There is [https://www.youtube.com/watch?v=A_v7HrDJfyk a video about its modification with Inkscape].
 
<hr><big><big> !! https://marble.kde.org/ </big></big>
 
Alternative to Google Earth. It is open-source.
 
<hr><big><big> !! https://organicmaps.app/ </big></big>
 
Offline maps for mobile with OpenStreetMap data. It is open-source.
 
<hr><big><big> !! https://ontheworldmap.com/ </big></big>
 
Downloadable maps. It even includes cities. I don't expect them to be up-to-date.
 
== <div style="color:#119922; font-weight:bold;">National Symbol</div> ==
 
<hr><big><big> !! https://en.wikipedia.org/wiki/Lists_of_national_symbols </big></big>
 
Lists of national symbols.
 
== <div style="color:#119922; font-weight:bold;">Culture & Travel</div> ==
 
<hr><big><big> https://ehrafworldcultures.yale.edu/ </big></big>
 
Introductions to cultures.
 
<hr><big><big> https://www.wikivoyage.org/ </big></big>
 
Introduction of the city and many details of countries. It is open-source.
 
The most important page for travelers is [https://en.wikivoyage.org/wiki/Stay_safe this].
 
<hr><big><big> https://www.everyculture.com/ </big></big>
 
Its information is old. There are details of peoples and countries.
 
<hr><big><big> https://www.civilopedia.net/ </big></big>
 
Encyclopedia for Sid Meier's Civilization VI. It even has multiple languages, so it's great for reading as well.
 
<hr><big><big> https://culturalatlas.sbs.com.au/ </big></big>
 
It is about countries and in progress.
 
<hr><big><big> https://www.commisceo-global.com/country-guides/ </big></big>
 
It is mainly about some details about manners.
 
<hr><big><big> https://guide.culturecrossing.net/index.php </big></big>
 
It is mainly about some details about manners.
 
<hr><big><big> https://en.wikipedia.org/wiki/List_of_subcultures </big></big>
 
Subcultures, modern things.
 
<hr><big><big> https://whc.unesco.org/en/list/ </big></big>
 
Cultural heritages. There is also an interactive map.
 
<hr><big><big> https://ich.unesco.org/en/lists/ </big></big>
 
Intangible cultural heritages.
 
<hr><big><big> https://www.tripadvisor.com/ </big></big>
 
Guide of travelling cities.
 
<hr><big><big> https://www.cia.gov/the-world-factbook/ </big></big>
 
A formal publication of basic information about countries.
 
<hr><big><big> https://worldcultures.webs.com/ </big></big>
 
Links to other sites about cultures.
 
== <div style="color:#119922; font-weight:bold;">History</div> ==
 
<hr><big><big> https://www.worldhistory.org/ </big></big>
 
An encyclopedia. Articles, images, videos, 3D images, podcasts and more.
 
<hr><big><big> http://www.fsmitha.com/ </big></big>
 
Detailed articles about history.
 
<hr><big><big> https://play.google.com/store/apps/details?id=com.timleg.historytimeline </big></big>
 
An app about major events of history.
 
<hr><big><big> https://www.hyperhistory.com/online_n2/History_n2/a.html </big></big>
 
Basic knowledge of the world history. Good for beginners. Looks old-fashioned, but it is not bad if you get used to it.
 
<hr><big><big> https://histography.io/ </big></big>
 
Historical events in dots.
 
<hr><big><big> https://omniatlas.com/ </big></big>
 
It shows you some old news with detailed maps.
 
<hr><big><big> https://www.timemaps.com/ </big></big>
 
Maps of history.
 
<hr><big><big> https://worldhist.org/ </big></big>
 
Map of every year. Names of nations can be searched.
 
<hr><big><big> https://www.worldhistorymaps.info/ </big></big>
 
Historical maps. Its works are under a public license.
 
<hr><big><big> https://www.oldmapsonline.org/ </big></big>
 
Old maps around the world.
 
The site has trouble with the mobile site. You need to set to view the desktop site on mobile.
 
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Philosophical-and-Religious-Texts Philosophy & Religion]</div> ==
 
<hr><big><big> https://plato.stanford.edu/index.html </big></big>
 
Stanford Encyclopedia of Philosophy.
 
<hr><big><big> https://iep.utm.edu/ </big></big>
 
University of Tennessee at Martin's Encyclopedia of Philosophy.
 
<hr><big><big> https://www.philosophybasics.com/ </big></big>
 
The basics of philosophy, “by a layman for the layman”.
 
<hr><big><big> https://simplyphilosophy.org/ </big></big>
 
Articles about different aspects of philosophy.
 
<hr><big><big> http://philosophypages.com/ </big></big>
 
Resources about philosophy. Its work is under a public license.
 
<hr><big><big> https://www.learnreligions.com/ </big></big>
 
Articles about religions.
 
<hr><big><big> https://slife.org/ </big></big>
 
An interfaith community with introductions to spiritual topics.
 
<hr><big><big> https://www.holybooks.com/ </big></big>
 
Downloadable books about religions.
 
<hr><big><big> https://en.wikipedia.org/wiki/List_of_religions_and_spiritual_traditions </big></big>
 
List of religions and spiritual traditions.
 
<hr><big><big> https://virtualreligion.net/ </big></big>
 
Resources about religions.
 
== <div style="color:#119922; font-weight:bold;">Mythology</div> ==
 
<hr><big><big> https://mythbank.com/ </big></big>
 
Basics of myths.
 
<hr><big><big>https://mythopedia.com/</big></big>
 
Myth information.
 
<hr><big><big> https://en.wikipedia.org/wiki/List_of_mythologies</big></big>
 
List of mythologies.
 
== <div style="color:#119922; font-weight:bold;">Epic</div> ==
 
<hr><big><big> https://en.wikipedia.org/wiki/List_of_epic_poems </big></big>
 
Epics.
 
== <div style="color:#119922; font-weight:bold;">Geography</div> ==
 
<hr><big><big> https://www.worldatlas.com/ </big></big>
 
Short articles.
 
<hr><big><big> !! http://worldmapquiz.qbisstudio.com/index.html </big></big>
 
An app for practising world map in several languages.
Dependencies are not all included. The form of address in Chinese version is a mixture of PRC's and ROC's, which is not good. For Chinese names of countries, there is a list: [[Language/Mandarin-chinese/Vocabulary/Countries-and-Nationalities]].
 
<hr><big><big> !! https://www.geoguessr.com/seterra/ </big></big>
 
Game of geography, online or with apps.
 
<hr><big><big> https://www.flagid.org/ </big></big>
 
Flag identifier.
 
<hr><big><big> https://worldledaily.com/ </big></big>
 
Street view quizzes.
 
<hr><big><big> https://virtualvacation.us/ </big></big>
 
Street view videos with quizzes.
 
== <div style="color:#119922; font-weight:bold;">Music</div> ==
 
<hr><big><big> !! https://folkcloud.com/ </big></big>
 
Information about folk music.
 
<hr><big><big> !! https://www.chosic.com/ </big></big>
 
Many tools about music, including similar song finder.
 
<hr><big><big> !! https://www.soundhound.com/ </big></big>
 
Recognize music with recording or your hum. It has some advantages over Shazam.
 
<hr><big><big> !! https://www.shazam.com/ </big></big>
 
Recognize music with recording. It has some advantages over Soundhound.
 
== <div style="color:#119922; font-weight:bold;">Art</div> ==
 
<hr><big><big> !! https://www.wikiart.org/ </big></big>
 
All kinds of artwork around the world.
 
== <div style="color:#119922; font-weight:bold;">Dance</div> ==
 
<hr><big><big> !! https://en.wikipedia.org/wiki/List_of_ethnic,_regional,_and_folk_dances_by_origin </big></big>
 
Dances by origin. You can search for them on video sites.
 
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Websites-of-Cuisine-Recipes Cuisine]</div> ==
 
<hr><big><big> https://www.allrecipes.com/recipes/86/world-cuisine/ </big></big>
 
A bit of recipes around the world.
 
<hr><big><big> https://en.wikipedia.org/wiki/List_of_cuisines </big></big>
 
List of cuisines.
 
== <div style="color:#119922; font-weight:bold;">Sport</div> ==
 
<hr><big><big> http://www.traditionalsports.org/ </big></big>
 
Introduction to traditional sports.
 
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Tabletop-Games Tabletop Game]</div> ==
 
<hr><big><big> !! https://drwhut.itch.io/tabletop-club </big></big>
 
Multiplayer 3D tabletop games. Still incomplete currently. It is open-source.
 
<hr><big><big> !! https://pysolfc.sourceforge.io/ </big></big>
 
Card and tile games. It is open-source.
 
<hr><big><big> !! https://www.gnu.org/software/xboard/ </big></big>
 
Traditional board games. Its user interface is more cruel than AI opponents. It is open-source.
 
There are pre-installed engines, but they are somehow old. The most versatile engine is [https://github.com/ianfab/Fairy-Stockfish Fairy Stockfish].
 
[https://github.com/cutechess/cutechess Cute Chess] looks good, but Xiangqi and Janggi are missing.
 
<hr><big><big> https://www.pychess.org/ </big></big>
 
Multiplayer platform for playing chess variants.
 
<hr><big><big> https://vassalengine.org/ </big></big>
 
Strategy game engine and modules. It is open-source.
 
<hr><big><big> https://boardgamegeek.com/ </big></big>
 
Information of board games.
 
<hr><big><big> https://www.wopc.co.uk/ </big></big>
 
Playing card patterns.
 
== <div style="color:#119922; font-weight:bold;">Folk Costume</div> ==
 
<hr><big><big> !! https://en.wikipedia.org/wiki/Folk_costume </big></big>
 
List of folk costume.
 
== <div style="color:#119922; font-weight:bold;">Folktale</div> ==
 
<hr><big><big> https://fairytalez.com/ </big></big>
 
Some tales.
 
<hr><big><big> https://www.worldoftales.com/ </big></big>
 
Some tale books.
 
== <div style="color:#119922; font-weight:bold;">Festival</div> ==
<hr><big><big> !! https://en.wikipedia.org/wiki/Category:Lists_of_festivals_by_country </big></big>
 
Not complete, but still good.
 
<hr><big><big> https://www.world-festivals.net/ </big></big>
 
It includes more countries than the one above. I wonder if it is so difficult to gather information about festivals.
 
== <div style="color:#119922; font-weight:bold;">Martial Art</div> ==
<hr><big><big> https://en.wikipedia.org/wiki/List_of_martial_arts </big></big>
 
List of martial arts.
 
<hr><big><big> https://blackbeltwiki.com/ </big></big>
 
Introduction to many martial arts.
 
== <div style="color:#119922; font-weight:bold;">Name </div> ==
 
<hr><big><big> !! https://en.wikipedia.org/wiki/Lists_of_most_common_surnames </big></big>
 
List of the most popular family names.
 
<hr><big><big> !! https://en.wikipedia.org/wiki/List_of_most_popular_given_names </big></big>
 
List of the most popular given names.
 
<hr><big><big> !! https://www.behindthename.com/ </big></big>
 
Find the meanings of a given name.
 
== <div style="color:#119922; font-weight:bold;">Astronomy</div> ==
 
<hr><big><big> https://stellarium.org/ </big></big>
 
You can see the sky in different locations and times. There are starlores in different cultures. Some even have constellation art.
 
== <div style="color:#119922; font-weight:bold;">Living Condition</div> ==
 
<hr><big><big> https://www.numbeo.com/cost-of-living/ </big></big>
 
Prices from the world. Sometimes inaccurate.
 
<hr><big><big> https://www.globalproductprices.com/ </big></big>
 
The prices of products in different regions. Its work is under a public license.
 
<hr><big><big> https://www.globalpetrolprices.com/ </big></big>
 
The prices of energy in different regions. Its work is under a public license.
 
== <div style="color:#119922; font-weight:bold;">Economy</div> ==
 
<hr><big><big> https://www.exchange-rates.org/ </big></big>
 
Exchange rates.
 
<hr><big><big> https://commodity.com/ </big></big>
 
Basic understanding of trading around the world.
 
== <div style="color:#119922; font-weight:bold;">Vehicle</div> ==
 
<hr><big><big> https://www.globalcarsbrands.com/ </big></big>
 
Automobile brands around the world.
 
== <div style="color:#119922; font-weight:bold;">Statistics</div> ==
 
<hr><big><big> https://www.statista.com/ </big></big>
 
All kinds of statistical data. Some are free.
 
<hr><big><big> https://ourworldindata.org/ </big></big>
 
It has detailed explanation on its data.
 
== <div style="color:#119922; font-weight:bold;">Train</div> ==
 
<hr><big><big> https://www.seat61.com/ </big></big>
 
Information about train travels.
 
== <div style="color:#119922; font-weight:bold;">Prepaid SIM Card</div> ==
 
<hr><big><big> https://prepaid-data-sim-card.fandom.com/wiki/Prepaid_SIM_with_data </big></big>
 
Details about SIM cards. Its work is under a public license.


<hr><big><big> https://stellarium.org/ </big></big>
== <div style="color:#119922; font-weight:bold;">License Plate</div> ==


You can see the sky in different locations and times. There are starlores in different cultures. Some even have constellation art.
<hr><big><big> !! http://www.worldlicenseplates.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Living Condition</div> ==
Take a look if you are interested. It's completed.
 
<hr><big><big> https://www.numbeo.com/cost-of-living/ </big></big>
 
Prices from the world. Sometimes inaccurate.
 
<hr><big><big> https://www.globalproductprices.com/ </big></big>
 
The prices of products in different regions. Its work is under a public license.
 
<hr><big><big> https://www.globalpetrolprices.com/ </big></big>
 
The prices of energy in different regions. Its work is under a public license.
 
== <div style="color:#119922; font-weight:bold;">Statistics</div> ==
 
<hr><big><big> https://www.statista.com/ </big></big>
 
All kinds of statistical data. Some are free.
 
<hr><big><big> https://ourworldindata.org/ </big></big>
 
It has detailed explanation on its data.


== <div style="color:#119922; font-weight:bold;">Trivia Quiz</div> ==
== <div style="color:#119922; font-weight:bold;">Trivia Quiz</div> ==
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Trivia quizzes of the world. It is available in multiple languages.
Trivia quizzes of the world. It is available in multiple languages.


== <div style="color:#119922; font-weight:bold;">Prepaid SIM Card</div> ==
== <div style="color:#119922; font-weight:bold;">Model</div> ==


<hr><big><big>https://prepaid-data-sim-card.fandom.com/wiki/Prepaid_SIM_with_data </big></big>
<hr><big><big> https://castle-engine.io/view3dscene.php </big></big>


Details about SIM cards. Its work is under a public license.
3D model viewer with support of walking and flying. It is open-source.


== <div style="color:#119922; font-weight:bold;">License Plate</div> ==
<hr><big><big> https://sketchfab.com/ </big></big>


<hr><big><big> !! http://www.worldlicenseplates.com/ </big></big>
3D models, some of which are under public licenses. Make sure your computer's memory is large enough to view them.


Take a look if you are interested. It's completed.
You can also use 3D printers to print them if you like.
 
== <div style="color:#119922; font-weight:bold;">National Anthem</div> ==


<hr><big><big> !! https://www.nationalanthems.info/ </big></big>
== <div style="color:#119922; font-weight:bold;">Character</div> ==


National anthems with lyrics. Its work is under a public license.
<hr><big><big> !! https://wiki.gnome.org/Apps/Gucharmap </big></big>


== <div style="color:#119922; font-weight:bold;">Model</div> ==
Character map for Linux and macOS. It is open-source.


<hr><big><big> https://castle-engine.io/view3dscene.php </big></big>
<hr><big><big> !! https://leun4m.github.io/symbsearch/ </big></big>


3D model viewer with support of walking and flying. It is open-source.
Character search for Windows. It is open-source.


<hr><big><big> https://sketchfab.com/ </big></big>
<hr><big><big> !! https://github.com/Ryosuke839/UnicodePad </big></big>


3D models, some of which are under public licenses. Make sure your computer's memory is large enough to view them.
Character search for Android. It is open-source.


You can also use 3D printers to print them if you like.
It is also available [https://f-droid.org/en/packages/jp.ddo.hotmist.unicodepad/ on F-droid].


== <div style="color:#119922; font-weight:bold;">Font</div> ==
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/FLOSS-Fonts Font]</div> ==


<hr><big><big> !! https://www.google.com/get/noto/ </big></big>
<hr><big><big> !! https://www.google.com/get/noto/ </big></big>
Line 1,728: Line 2,304:


This one is in a great quantity.
This one is in a great quantity.
This service has been having the background of political activism (pro-Ukraine).


<hr><big><big> https://www.ats-group.net/language-resources.html </big></big>
<hr><big><big> https://www.ats-group.net/language-resources.html </big></big>
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{{#seo:
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     |keywords=website, phonetics, tv, radio, dictionary, pronunciation, courses, translators, vocabulary
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     |description=The services listed on this page are free.
     |description=The services listed on this page are free.
     |og:image=https://polyglotclub.com/wiki/images/thumb/8/8e/Website-polyglots.jpg/800px-Website-polyglots.jpg
     |og:image=https://polyglotclub.com/wiki/images/thumb/8/8e/Website-polyglots.jpg/800px-Website-polyglots.jpg
}}
}}
==Other Lessons==
* [[Language/Multiple-languages/Culture/How-to-Customise-Open–Source-Language-Games|How to Customise Open–Source Language Games]]
* [[Language/Multiple-languages/Culture/Historical-Realistic-Video-Games|Historical Realistic Video Games]]
* [[Language/Multiple-languages/Culture/Most-Popular-Sports|Most Popular Sports]]
* [[Language/Multiple-languages/Culture/Ordering-with-Letters|Ordering with Letters]]
* [[Language/Multiple-languages/Culture/How-to-contribute-to-wiki-lessons-(FAQ)|How to contribute to wiki lessons (FAQ)]]
* [[Language/Multiple-languages/Culture/Elements-of-Traditional-Architectures:-Western-Europe|Elements of Traditional Architectures: Western Europe]]
* [[Language/Multiple-languages/Culture/How-to-be-Creative|How to be Creative]]
* [[Language/Multiple-languages/Culture/Keyboards|Keyboards]]
* [[Language/Multiple-languages/Culture/Natural-phenomena|Natural phenomena]]
* [[Language/Multiple-languages/Culture/Techniques-for-learning-languages|Techniques for learning languages]]
<span links></span>

Revision as of 14:17, 13 April 2024

Free Internet Resources for Polyglots - 2024
Website-polyglots.jpg

Hello polyglots, 😀

Polyglots are individuals who are able to speak multiple languages fluently. With the rise of the internet and technology, there are now numerous online free resources and tools available for polyglots to improve their language skills and connect with other language enthusiasts. This article aims to provide an overview of the most useful internet resources for polyglots, including language learning websites, forums, and social media communities. Whether you are a beginner or a seasoned polyglot, these resources can help you take your language skills to the next level and further your language journey.

  • Links with “!!!!” are the most important resources for you if you don't know English well;
  • Links with “!!” has low English skill requirement.
  • For the condensed version of this article, go HERE.


This page has a child: Language/Multiple-languages/Culture/Internet-resources-for-learning-specific-languages.

Welcome to our lesson on "Multiple-languages Culture → Internet resources for polyglots"! 🌍 In this lesson, we will explore various online resources that can help you enhance your language learning journey and dive deeper into the fascinating world of polyglots. After completing this lesson, you can also check out other related pages, such as our Polyglot Club Team page, where you can learn more about the people behind the scenes who are passionate about multiple languages and cultures.

If you're interested in learning how to study languages more effectively, don't miss our guide on studying with a markup language, which can help you organize your language learning materials in a more structured way. And for those who love video games, we have a special treat for you! Discover how you can explore real-life locations through video games with multiple languages and cultures! 🎮

So, let's dive into the world of polyglots and explore the best internet resources to help you become a true language enthusiast!

-- Introduction --

Advices

This page is updated from time to time, not frequently, not regularly. “But how do I know what you have changed since the last time I come here?” Try this: hover your mouse over “Actions” in the upper right corner of this page, click on “history”, select the current and the version you saw last time, click on “Compare selected versions”.

It would be great if you pay a visit to every site on the list. Don't lose your curiosity.

If you want to do creative work to help others to learn languages and to know about cultures, please visit Language/Multiple-languages/Culture/Productivity-tools-for-polyglots.

It is not recommended to put some banner like “featured in Polyglot Club” on your website, because this list is dynamic.

It is highly recommended to have privacy protections on. An open-source website on privacy: https://privacyguides.org/

Tips

Some programs require the use of command-line. There is an article about how to do it on Windows. If you use Linux, you may use Sakura, for its lightweight being and good Unicode support; If you want to customise the font in command line on Windows, you can use ConEmu.

Some programs split words in a sentence with spaces. In this case, texts in Chinese, Japanese, Thai, Vietnamese and other languages need a word segmentation.

The customisation of some programs require a text editor. It is recommended to use Geany, because it is lightweight and has useful shortcuts like “Ctrl + D” to duplicate a line.

See if you are downloading the binary file or the source code. Unless its language doesn't require compilation, you would need to build the program on your own with the source code. Links to download binaries (built programs) are elsewhere like “Releases” or links in the README.MD file. If you see there are multiple links in “Releases”, select the link with your corresponding operating system, CPU architecture and other clues in its filename. The “amd64” and “x86_64” have minor differences and are usually considered the same when describing a binary. “md5”, “sha256”, “sha512”, etc. are checksum formats, which can be used to check the integrity of the downloaded file. You can use the open-source tool GtkHash to check the integrity of the files with the same name of the checksum files.

If you see SourceForge, you may simply click on the “Download” button. In some cases, the downloaded file is not what you want. Then you need to find it out in “Files”.

If you don't see an executable file in the program, then you may have to run it in another way:

  • C/C++: Download GNU Compiler Collection or Clang/LLVM for advanced users. There is a guide.
  • Python: Download Python and install packages with its package manager pip, or PyPy for advanced users. There is a guide.
  • JavaScript/TypeScript: Download Node.js or Deno for advanced users. There are package managers like pnpm that may perform better than the default npm. There is a guide.
  • Java: Download Java and use SDKMAN to manage Software Development Kits for advanced users. There is a guide.
  • Rust: Download Rust. There is a guide.
  • Go: Download Go. There is a guide.
  • Dart: Download Dart. There is a guide.
  • Perl: Download Perl. There is a guide.
  • Ruby: Download Ruby. There is a guide.
  • Haskell: Download Haskell. There iss a guide.

JavaScript and some other languages support running something with two programs: a server and a client. You need to start the server, then access the server with the client.

JavaScript programs often utilise Electron.js to have cross-platform support easily, which integrates a Chromium in every program and occupies a lot of resources.

Java relies on a virtual machine, which is an emulator of a computer system and requires some more system resources.

See if the program is updated recently. Outdated programs may be no longer reliable, because they may rely on something else, like another program or a webpage, which can become invalid with the change of time. It may also contain security loopholes that were not discovered at that time and discovered now.

Political activism can motivate people to cause unexpected damage, like node-ipc by RIAEvangelist on GitHub.

Resource Selection Criteria

To be listed on this page, resources should possess at least one of the following characteristics:

  1. be rich in FREE content (not just a trial or not fulfilling the need in the free part), and the free content is mostly accurate, and the free content is not all covered by other free ones;
  2. be made with a unique, good idea;
  3. has no better alternatives.

Resources possessing the following characteristics will be given disadvantage:

  1. propagate specific political or religious ideas without possibility of discussion.

Resources with the following features will be given a little priority:

  1. available offline;
  2. available on multiple platforms;
  3. multilingual user interface;
  4. lightweight (including “written in C”);
  5. open source;
  6. privacy-friendly (including “registration not required”).

Blue Light Filter & Dark Mode

 !! https://codeberg.org/fusco/gummy

Filter for Linux. It is open-source.

 !! https://github.com/LibreShift/red-moon/

Filter for Android. It is open-source.

 !! https://codeberg.org/ltguillaume/redshift-tray

Filter for Windows. It is open-source.

 !! https://darkreader.org/

Dark mode for web browsers. It is open-source.

Reminder

 !! https://workrave.org/

Rest reminder. It can lock your keyboard and mouse buttons when it is time. It is open-source.

➡ Write a review

 !! https://hovancik.net/stretchly/

Rest reminder with macOS releases. It is open-source.

 !! https://github.com/WinTenDev/rminder

Reminders for Chromium/Chrome. It is open-source.

 !! https://gitlab.com/axet/android-hourly-reminder

Repeating timer. It alarms every hour or even minute. This reminds you how a minute passes by. It is open-source.

 !! https://bdt.jepfa.de/

Break down a period of time to equal slices on Android. It is open-source.

 !! https://github.com/mattvchandler/ProgressBars

Progress bars on Android. It is open-source.

 !! https://github.com/thetwom/toc2

Metronome on Android. It is open-source.

 !! https://www.antcom.de/gtick/

Metronome on Linux. It is open-source.

 !! https://sourceforge.net/projects/openmetronome/

Metronome on Windows. It is open-source.

Work-Break Timer

 !! https://zidoro.github.io/pomatez/

Simple work-break timer on desktop. It is open-source.

 !! https://github.com/ayoisaiah/focus

Work-break timer in command-line. It is open-source.

 !! https://github.com/adrcotfas/Goodtime

Work-break timer on Android. It is open-source.

Activity Tracker

https://activitywatch.net/

Track your own desktop activity. It is open-source.

 !! https://github.com/rybak/resoday

Habit calendar on desktop. It is open-source.

 !! https://codeberg.org/fynngodau/usageDirect

It shows your app usage on Android. It is open-source.

 !! https://codito.github.io/habito/

Habit tracker in command line. It is open-source.

 !! https://github.com/SamAmco/track-and-graph

Habit tracker with graphs on Android. It is open-source.

 !! https://github.com/Razeeman/Android-SimpleTimeTracker

Timer for activities on Android. It is open-source.

 !! https://github.com/iSoron/uhabits

Simple habit tracker on Android. It is open-source.

 !! https://gottcode.org/kapow/

Timer for activities on desktop. It can also generate a report. It is open-source.

 !! https://github.com/appstome/timetome-app

Timer for activities on Android. It is open-source.

Its timer doesn't stop, so if you would like to do anything untracked, you need to select “other” and that category is tracked as well.

 !! https://github.com/Glitchy-Tozier/githo

Form a habit step by step on Android. It is open-source.

 !! https://github.com/Destaq/language-learning-dashboard

Dashboard for language learning, requiring some programming knowledge. It is open-source.

Self-Control Helper

 !! https://safing.io/

Firewall for blocking Internet traffic for Desktop. It is open-source.

 !! https://github.com/anfragment/zen

Internet traffic filter list on desktop. It is open-source.

 !! https://rethinkdns.com/

Firewall for blocking Internet traffic on Android. It is open-source.

 !! https://launchpad.net/timekpr-next

Limits the using times with a schedule for Linux. It is open-source.

 !! https://www.proginosko.com/leechblock/

Browser add-ons for blocking websites. It is open-source.

 !! https://selfcontrolapp.com/

Block websites for Mac. It is open-source.

 !! https://timelimit.io/

Limit your app using time for Android. It is open-source.

 !! https://detoxdroid.flx-apps.com/

Some other measures to help you on Android. Need to use a PC to enable developer mode. It is open-source.

It can be downloaded from F-droid.

 !! https://github.com/sweakpl/unlock-master

Limit your mobile phone usage. It is open-source.

It can be downloaded from IzzyOnDroid.

Brain Training

Notice: Whether brain training works or not is still controversial. If you don't believe it works, please skip this section.

https://wiki.gnome.org/action/show/Apps/gbrainy

Mini-games. It is open-source.

http://brainworkshop.sourceforge.net/

Dual n-back. It is open-source.

Its latest version 4.8.7 is not available on the website, but on the SourceForge page.

https://github.com/vivekthazhathattil/dekadico

Memory trainer with numbers. It is open-source.

Workout

 !! https://github.com/oliexdev/openWorkout

Workout assistant for Android with animations or videos. It is open-source.

Eating

https://codeberg.org/epinez/Energize/

Nutrition tracker for Android. It is open-source.

https://world.openfoodfacts.org/

Information about food nutrition.

Relaxation & Meditation

 !! https://www.freesoundslibrary.com/

It has more than 200 ambient sounds for download. Turn loop on and enjoy.

 !! https://github.com/rafaelmardojai/blanket

Play multiple audio files simultaneously on Linux. It is open-source.

 !! https://github.com/CliffracerMerchant/SoundAura

Play multiple audio files simultaneously on Android. It is open-source.

 !! https://github.com/yuttadhammo/BodhiTimer

Meditation timer. It is open-source.

 !! https://github.com/Mr-Kumar-Abhishek/brain-beats

Binaural beats and more for desktop. It is open-source.

 !! https://gitlab.com/axet/android-binaural-beats

Binaural beats for Android. It is open-source.

 !! https://sites.google.com/view/jithware

Meditation helper with breath control for Android. It is open-source.

 !! https://colemak.com/

This one supports a lot of languages in Latin script, but it means to learn typing again. It is worth it. You may have noticed that “Kolemak” is even better than Colemak. How to modify keyboards will be discussed below.

A better layout image.

Note that the download link on the home page is “Caps Lock Unchanged”. The idea of replacing Caps Lock with Backspace is great because of its convenience to press Backspace, but having it unchanged is generally better because it's punitive to press Backspace, urging you to make fewer misspellings.

There is a flaw of no “„” or “‚”. You can replace “÷” and “×” with them. Also, the positions of single and double quotation marks only benefit British people for not pressing Shift. You can exchange their positions, too.

There is a modified version and local variants.

https://bepo.fr/wiki/Accueil

Based on French, giving consideration to European languages. But if you don't type French much, it might be not ideal.

No English translation for this site, but it doesn't matter, because this keyboard is generally pre-installed in common operating systems. You just need to find it in the “French” section of keyboard settings.

https://forum.colemak.com/topic/519-rulemak-russian-colemak-layout/

Variant of Colemak for typing Cyrillic. It is available as source code. It is pre-installed on Linux, but it requires some effort as mentioned in the “Colemak” section to make sure it appears in the files. “Greek (Colemak)” is also available.

For Windows, Portable Keyboard Layout is required. Or you can use that keyboard creator to do it manually.

 !! https://play.google.com/store/apps/details?id=kl.ime.oh

It is lightweight and supports many languages, with many keyboard layouts. But it has problems, such as poor Japanese support.

 !! https://github.com/Helium314/HeliBoard

Keyboard on Android with initial CJKV support. It is open-source.

 !! https://florisboard.org/

Keyboard on Android with CJKV support in its beta version. It is open-source.

Typing

 !! https://github.com/max-niederman/ttyper

Typing practice in command line with detailed statistics. It is open-source.

 !! https://github.com/bloznelis/typioca

Typing practice in command line with a time limit. It is open-source.

 !! https://github.com/Mithil467/mitype

See the replay of your typing session. It is open-source.

 !! https://github.com/plu5/retype

Type books in EPUB format. It is open-source.

Shortcut

 !! https://en.wikipedia.org/wiki/Table_of_keyboard_shortcuts

Keyboard shortcuts in general.

 !! https://defkey.com/

Keyboard shortcuts for specific programs. Add “?pdfOptions=True” to the end of address to download its PDF.

Cheat Sheet

 !! https://cheatography.com/

Cheat sheets for programs.

 !! https://github.com/gnebbia/kb

Knowledge base of commands in command-line. It is open-source.

Text Editor

https://vscodium.com/

Text editor with extensibility. It is open-source.

With its extensions, you can do a lot with Markdown files. A single Markdown file can be a mind map and a list of flashcards at the same time, for example.

 !! https://www.geany.org/

Text editor with features like replacing text in multiple files. It is open-source.

 !! https://gottcode.org/focuswriter/

Text editor in full-screen with backgrounds. It is open-source.

 !! https://micro-editor.github.io/

Text editor in command-line. It is open-source.

 !! https://github.com/gsantner/markor

Text editor with markdown and todo.txt supports on Android. It even has a “speed read” function. It is open-source.

https://github.com/doom-neovim/doom-nvim

Configuration for the text editor in command-line Neovim, with many keybindings to ensure high efficiency. It is open-source.

Tutorials are OpenVim, Learn Vim, among others. Cheatsheet is Vim Cheat Sheet.

https://github.com/doomemacs/doomemacs

Configuration for the text editor in command-line GNU Emacs, with high extensibility. It is open-source.

Tutorial is EmacsWiki.

Comprehensive Tool

 !! https://affine.pro/

Text and whiteboard. It is open-source.

 !! https://super-productivity.com/

Good-looking schedule with a pomodoro timer. It is open-source.

A video about it.

 !! https://xwmx.github.io/nb/

Knowledge management in command-line. It is open-source.

 !! https://jtx.techbee.at/

Journal, note, todo with tags on Android. It is open-source.

 !! https://github.com/mhss1/MyBrain

All-in-One productivity on Android. It is open-source.

Task Planner & To-Do-List

 !! https://www.abstractspoon.com/

Versatile task planner on desktop. It is open-source.

 !! https://www.taskcoach.org/

Simple task planner on desktop. It is open-source.

 !! https://github.com/v1tzor/TimePlanner

Task planner on Android. It is open-source.

 !! https://eck.cologne/peafactory/en/html/calendar_pea.html

Task calendar with encryption on Android. It is open-source.

 !! https://github.com/Etar-Group/Etar-Calendar

Task calendar on Android. It is open-source.

 !! https://github.com/Sztorm/NoteCalendar

Note calendar. It is open-source.

 !! https://github.com/ransome1/sleek

To-do-list based on todo.txt. It is open-source.

 !! https://github.com/kraanzu/dooit

To-do-list in command-line with TUI. It is open-source.

 !! https://taskwarrior.org/

To-do-list in command-line. It is open-source.

 !! https://tasks.org/

To-do-list on Android. It is open-source.

https://github.com/ribeirompl/144_blocks

Plan a day in 144 blocks. It is open-source.

Notebook

 !! https://logseq.com/

Knowledge manager with graphic view of nodes and flashcards. It has plugins including adding Anki Flashcards. It is open-source.

 !! https://joplinapp.org/

Notes with end-to-end encryption and syncronisation. It is open-source.

 !! https://mindforger.com/

Notes with hierarchy and tags, and can be exported to CSV files. It is open-source.

 !! https://github.com/zadam/trilium

Advanced notebook with hierarchy, text formatting, link map, synchronization and encryption. Good for working. It is open-source.

 !! https://www.giuspen.com/cherrytree/

Hierarchical notebook with encryption. It is open-source.

 !! https://eck.cologne/peafactory/en/html/notebook_pea.html

Write RTF files with encryption. It is open-source.

 !! https://quillpad.github.io/

Simple note-taking app for Android. It is open-source.

 !! https://safenotes.dev/

Encrypted notes on Android. It is open-source.

 !! https://jrnl.sh/

Notebook in command-line. It is open-source.

 !! https://orgmode.org/

Notebook for Emacs, Neovim and other text editors. It is open-source.

 !! https://postkevone.github.io/tiddlyresearch/

Notebook for Tiddly Wiki. It is open-source.

Handwriting Notebook

 !! https://xournalpp.github.io/

Handwritten note editor. It is open-source.

 !! https://saber.adil.hanney.org/

Note with handwriting. It is open-source.

 !! https://rnote.flxzt.net/

Handwriting program. It is open-source.

Audio Notebook

 !! https://certified84.github.io/AudioNote/

Audio tonebook on Andriod. It is open-source.

Whiteboard

 !! https://excalidraw.com/

Online whiteboard. It is open-source.

 !! https://www.tldraw.com/

Online whiteboard. It is open-source.

Wiki

https://www.dokuwiki.org/dokuwiki

Wiki with many add-ons. It is open-source.

It requires setting up a server.

It has an open-source viewer for Android.

https://tiddlywiki.com/

Non-linear Wiki on web with HTML files. It is open-source.

Not ideal if the file is large. If the file is large, that means each time you modify and save it, it writes another large file.

It has an open-source viewer for Android.

 !! https://www.zim-wiki.org/

Simple wiki. It is open-source.

Diary

 !! http://lifeograph.sourceforge.net/wiki/Main_Page

Diary for desktop. It is open-source.

 !! https://billthefarmer.github.io/diary/

Diary for Android. It is open-source.

Diagram

 !! https://www.diagrams.net/

Diagrams. It is open-source.

Timeline

 !! http://thetimelineproj.sourceforge.net/

Timeline. It is open-source.

Mind Map

 !! https://www.insilmaril.de/vym/

Mind map with not many and not few features. It is open-source.

 !! https://github.com/juzzlin/Heimer

Simple and intuitive mind map. It is open-source.

 !! https://markmap.js.org/

Markdown mind map with VSCodium / VS Code support. It is open-source.

http://tiddlymap.org/

Mind map for Tiddly Wiki. It is open-source.

Hierarchical Spreadsheet

 !! https://strlen.com/treesheets/

It combines mind map, spreadsheet and other forms of data. It is open-source.

A video about it.

Graph

 !! https://foambubble.github.io/

Graph for VSCodium and VSCode. It is open-source.

Media Management

 !! https://www.tagspaces.org/

File tagging. It is open-source.

 !! https://calibre-ebook.com/

E-Book management tool. It is open-source.

The main drawback is it has to keep a copy of your book in a central directory, which will cause duplication if you also keep the book elsewhere.

 !! https://github.com/mateusz-bak/openreads-android

E-Book tracker on Android. It is open-source.

Web Table Extraction

 !! https://www.libreoffice.org/

Office suite with spreadsheet that can capture web tables. It is open-source.

 !! https://merribithouse.net/copytables/

Capture tables from webpages for Chrome and Safari. It is open-source.

 !! https://github.com/nirantak/copytables

Fork of Copytables for Firefox. It is open-source.

International Phonetic Alphabet

 !! https://www.internationalphoneticassociation.org/

The site of the maker. The full IPA chart can be downloaded here. There is also a link to an interactive IPA chart.

 !! https://easypronunciation.com/en/ipa-phonetic-transcription-converters

IPA and romanization transcriptions. Very detailed, but there is a limitation for each hour. Its “More Tools” is also noteworthy.

https://github.com/dmort27/epitran/

Transcription to IPA. It is open-source. It won't help if you don't know Python.

It only supports words, as is discussed. Somebody can develop a tool for sound change.

Logic

https://forallx.openlogicproject.org/

Book edited by different groups of people. Its work is under a public license.

https://www.logicmatters.net/tyl/

Book, conditioned distribution allowed.

Artificial Intelligence

 !!!! https://gpt4all.io/

AI application with several models available for offline use. It is open-source.

 !!!! https://github.com/LiLittleCat/awesome-free-chatgpt

List of online GPT services.

 !!!! https://github.com/xx025/carrot

List of online GPT services with some categories.

https://fsi-languages.yojik.eu/

Mainly courses of Foreign Service Institute, Defense Language Institute, Peace-Corps. FSI is initially aimed at middle-aged officials, so maybe not everyone likes it. Its work is partly in public domain.

https://www.coursera.org/browse/language-learning/

Some super cool courses. This is suggested by RomDasha.

 !!!! https://www.lingolia.com/

A little site with useful basic courses of 5 languages with good design.

https://en.wikibooks.org/wiki/Subject:Languages

Books are mostly incomplete and in lack of update, but some are nearly completed or completed, not bad.

https://ikindalikelanguages.com/

Introductions to languages.

Speaking

 !!!! https://forvo.com/

Dictionary of pronunciation.

➡ Write a review

 !!!! https://youglish.com/

Pronunciation from videos, with a large subtitle frame.

It is better to be used together with the Chromium or Chrome extension Separate Window.

 !! https://speechling.com/

Submit the recording and wait for the response. Supported languages are not many.

➡ Write a review

 !! https://ivypanda.com/tongue-twisters

Try not to hurt yourself when practising.

It covers an older site and has improved a lot. There's no copyright affair involved because such a list is not a “creative work”.

You may want to ask if this page is protected by copyright. All my comments are protected, the list of links like the one in that brief version is not.

Flashcard

 !!!! https://apps.ankiweb.net/

Offline flashcard platform. You can find its manual at “Docs” on the website. Content can be rendered in HTML and CSS. It is open-source.

Unfortunately, not free on iOS.

Related resources:

Shared Decks Add-ons External Programs
Beginner Tutorial TSV Creation Web Scrapping Markup Studying

There is also a section of an article on flashcards.

There is an infamous issue of it: if you add or delete fields in a note type, you have to upload all your data when syncronising. Also expect Bazel, which it utilises to cause troubles.

 !! https://mnemosyne-proj.org/

Flashcards with basic functions. It is open-source.

 !! https://github.com/proycon/vocage

Minimalistic flashcards in command line through TSV files. It is open-source.

 !! https://github.com/FilippVolodin/ReeePlayer

Flashcard with video clips. It is open-source.

 !! https://github.com/alyssaxuu/carden

Chromium/Chrome addon. It is open-source.

 !! https://github.com/tema6120/ForgetMeNot

Flashcard program for Android. More advanced than AnkiDroid in many aspects, including necessary instructions. You can even set intervals for the spaced repetition. It is open-source.

➡ Write a review

 !! https://github.com/rh-id/a-flash-deck

Flashcards with notification on Android. It is open-source.

https://tadeas.dev/twsr/

Flashcard for Tiddly Wiki. It is open-source.

https://codeberg.org/GrimPixel/Tabletop_Club_Flashcard_Tool

Flashcard generator for Tabletop Club. It is open-source.

Presentation

 !! https://codeberg.org/GrimPixel/Fountain

Presentation with TSV in command-line. It is open-source.

 !! https://maaslalani.com/slides/

Presentation with Markdown in command-line. It is open-source.

Wallpaper

https://peterlevi.com/variety/

Wallpaper changer for Linux. It is open-source.

It has “quotes”, which can be used as the flashcard. An example is variety-german-words. To customise its code:

In “german_words.py”

  • Search and find “data = ”, change its structure;
  • Replace “reader(fin)” to “reader(file, delimiter="\t")” to support TSV;

In “words.csv”, change its content.

Danmaku

https://github.com/luyuhuang/DWords2

Shoot entries on the screen. It is open-source.

 !!!! https://context.reverso.net/translation/

Among its products, the mobile version of Context seems to be the most helpful: learn and practise new words with example sentences.

 !!!! https://babadum.com/

It's pretty good for educating young polyglots.

➡ Write a review

 !!!! https://github.com/tkrajina/10000sentences

Sentences from Tatoeba to practice. It is aesthetically same with Anki (I mean copy-paste). It is open-source.

 !!!! https://www.clozemaster.com/

Learn with cloze. It is effective, but sometimes it is just repeating the same point in different questions. Also, synonyms are not supported.

➡ Write a review

 !! https://www.languageguide.org/

Some basic vocabulary.

 !! https://babadada.com/

Visual dictionary. No grammatical genders or pronunciation, suitable for reviewing.

A lot of languages has not been completed yet, without any notice. Also, look out for polyseme mistakes.

➡ Write a review

https://trielingual.com/

See the related phrases of a word. It is open-source.

https://en.wiktionary.org/wiki/Appendix:Swadesh_lists

Swadesh lists are basic vocabulary, initially for linguistic use. But it can be the starting point of vocabulary building for language learners as well.

 !! https://en.wiktionary.org/wiki/Wiktionary:Frequency_lists

Frequency lists. Make use of it with programs that help to memorise, such as Anki.

If you seriously want to learn a language, and there are no ready-made free flashcards reaching the native level, and you don't want to spend money, this may be the most effective way to memorise words.

 !! https://github.com/frekwencja/most-common-words-multilingual

Word frequency of top 5000 words.

 !! https://github.com/rspeer/wordfreq

Word frequency tool for Python. It is open-source.

Etymology

https://etymologeek.com/

Etymology in European languages.

 !! https://sourceforge.net/projects/scrabble/

Scrabble with downloadable dictionaries. It is open-source.

 !! https://people.csail.mit.edu/jasonkb/quackle/

Scrabble that can show all possible words. It is open-source.

 !! https://gottcode.org/tanglet/

Boggle. It is open-source.

 !! https://gottcode.org/connectagram/

Connectagram. It is open-source.

 !! https://gitlab.gnome.org/jrb/crosswords

Crossword on Linux. It is open-source.

 !! https://github.com/lexica/lexica

Game of finding words on Android. It is open-source.

 !! https://billthefarmer.github.io/gurgle/

A word game on Android. It is open-source.

 !! https://billthefarmer.github.io/gridle/

A word game on Android. It is open-source.

 !! https://github.com/Magoninho/word-search-puzzle-generator

Word search game on command line. It is open-source.

To change the letters in the game, modify the list in “alphabet.py”.

 !! https://gitlab.com/Hague/forkyz

Crosswords on Android. It is open-source.

 !! https://github.com/devarshi16/HangMan

Hangman. It is open-source.

Its data is at “hangmanultimate/data.py”.

 !! https://gemelo.org/grabagram/

Anagram on mobile. It is open-source. Code at its github repository.

Quiz

 !! https://github.com/Yvee1/hascard

Quizzes in Markdown files in command line. It is open-source.

 !! https://github.com/ismet55555/exam-terminal

Quizzes in YAML files in command line. It is open-source.

You may need to enter full-screen mode, otherwise the program won't work for not having enough space.

 !! https://codeberg.org/GrimPixel/Quiz_Grid

Quiz of TSV files in a grid. It is open-source.

Test

https://lingua.com/

A few materials for beginners. Better treat it as your proficiency tests instead of learning materials because it's not much.

➡ Write a review

 !! https://www.transparent.com/language-resources/tests.html

Test your proficiency.

There is only one set of test for each language. Don't search the meanings of the words you don't know if you want to take this test again later.

 !! https://www.arealme.com/vocabulary-size-test/en/

For testing your vocabulary size.

There is only one set of test for each language. Don't search the meanings of the words you don't know if you want to take this test again later.

 !! https://www.ezglot.com/vocabulary-test.php

Test your vocabulary size. It's faster and maybe not so accurate. The result is at an inconspicuous corner.

Reader

 !! https://mupdf.com/

Lightweight PDF Reader for desktops. It is open-source.

Type “man mupdf” in command line to see its shortcuts.

 !! https://www.sumatrapdfreader.org/

PDF Reader for Windows. Dark mode and Annotation are available. It is open-source.

 !! https://gitlab.com/mudlej_android/mj_pdf_reader

PDF Reader for Android. It is open-source.

 !! https://www.libreoffice.org/

Editor for many document formats. It is open-source.

 !! https://johnfactotum.github.io/foliate/

Reader for Linux with features like layout and online translation. It is open-source.

 !! https://librera.mobi/

Reader for Android. It is open-source.

 !! https://koreader.rocks/

Reader with a simple user interface for Android. It is open-source.

 !! https://www.kiwix.org/

Read Wikipedia and some other sites offline. It is open-source.

RSS Client

 !! https://lzone.de/liferea

RSS feeder for Linux. It is open-source.

 !! https://github.com/martinrotter/rssguard

RSS feeder for desktop. It is open-source.

 !! https://newsboat.org/

RSS feeder in command-line. It is open-source.

 !! https://gitlab.com/spacecowboy/Feeder

RSS feeder for Android. It is open-source.

RSS Feed

 !! https://rss.feedspot.com/

List of RSS feeds with details.

 !! https://www.cyberseo.net/public-rss-feed-catalogue/

Catalogue of RSS feeds.

Image Viewer

 !! https://github.com/nomacs/nomacs

Image viewer. It is open-source.

 !! https://github.com/atanunq/viu

Image viewer in command-line. It is open-source.

Vocabulary Builder

 !!!! https://github.com/jzohrab/lute-v3

Build vocabulary list by adding definitions to words on texts. It is open-source.

 !!!! https://vocabhunter.github.io/

Find unfamiliar words in a document. Great for getting familiar with all words in a document before reading. Better to disable the filter. It is open-source.

 !!!! https://github.com/FreeLanguageTools/vocabsieve

Analyse the sentence, find the vocabulary and create Anki flashcards. It is open-source.

 !!!! https://github.com/geajack/Wordology

Browser add-on for building vocabulary. It is open-source.

Available for Chromium and Firefox.

 !! https://github.com/xxyzz/WordDumb

Footnote creator for e-books. It is open-source.

Webpage Tool

 !! https://piro.sakura.ne.jp/xul/_treestyletab.html.en

Arrange browser tabs in hierarchy. It is open source.

 !! https://github.com/gildas-lormeau/SingleFile

Save the web page as a single file.

There is also a SingleFileZ, which can compress pages.

https://github.com/OlegWock/anori

Browser extension for customised new tab. It is open-source.

https://github.com/zimocode/smartupGesturefy

Gestures for some Browsers. It is open-source.

Speed Reader

https://github.com/Darazaki/Spedread

Reading speed trainer for Linux. It is open-source.

 !! https://github.com/pasky/speedread

Reading speed trainer. Perl is required. It is open-source.

 !! https://github.com/nemanjan00/uniread

Speed reader with e-book support. It is open-source.

 !! https://comfortreader.rhizomaticdesign.net/

Streaming reader for Android. It is open-source.

 !! https://github.com/FP22FD/auto-scroll-down-chrome-extension

Autoscrolling for Chromium/Chrome. Good for practising reading speed.

 !! https://github.com/hisakaz0/AutoScrolling

Autoscrolling for Firefox. Good for practising reading speed. It is open-source.

Book Catalogue

https://github.com/tfonteyn/NeverTooManyBooks

Book catalogue on Android. It is open-source.

 !! https://wikisource.org/wiki/Main_Page

Literature in public domain. They can be downloaded.

https://www.gutenberg.org/

The largest collections of books in the public domain, mostly in English, though.

Android app for downloading books is available at Myne.

There is a book catalogue website with ever-changing domain names: LibGen, which contains a wider range of books. Make sure you don't see any strange link there. It is also available on Android.

 !! https://onlinebooks.library.upenn.edu/archives.html

List of book collections. Many links are available in “https” now, but appear as “http” on this page.

Writing

https://owl.excelsior.edu/

It is not for learning languages, but for how to write and read. Its work is under a public license.

It is teaching about English, so something does not apply to some other languages.

https://owl.purdue.edu/owl/purdue_owl.html

Another online writing lab.

https://www.theologeek.ch/manuskript/

Tool for writing stuff. It is open-source.

https://github.com/Wavesonics/hammer-editor

Tool for writing on Android. It is open-source.

https://github.com/Wavesonics/hammer-editor

Corrector of minor typos. It is open-source.

 !!!! https://www.wiktionary.org/

Practical, no need to switch dictionaries, translations in many languages are shown together.

there is a parser for its data. Extracted JSON data are also available.

 !!!! https://www.wordreference.com/

It is really completed.

 !!!! https://www.linguee.com/

It is completed, with example sentences of high quality. You can even find uncommon words with meanings of common words.

 !!!! https://bab.la/

It is completed for several languages.

 !!!! https://iate.europa.eu/

Terminology dictionary of European Union. That is to say, what you search should be a term.

 !! https://glosbe.com/

It supports a lot of languages, citing results from several corpora. It is somehow messy and in many cases inaccurate, but if the dictionaries listed above have no result about a word, this one may help.

 !!!! https://xiaoyifang.github.io/goldendict-ng/

It supports online and offline dictionaries, based on GoldenDict. It is open-source.

You can search the word by selecting it and listen to Forvo pronunciation. You can also add dictionary websites.

 !!!! https://crissium.github.io/SilverDict/

Web version of GoldenDict. It is open-source.

 !!!! https://github.com/pnlpal/dictionaries

Browser add-on with clear results and can export to Anki decks. It is open-source.

 !!!! https://mouse-dictionary.netlify.app/

Browser add-on for searching local dictionary files. It is open-source.

To convert dictionary text files into TSV format, see this article. The files at “mouse-dictionary/data/rule/” will need to be edited as well.

https://aarddict.org/

Different from other advocates for donating to Ukraine, they have an offline dictionary. It is open-source.

https://github.com/rdoeffinger/Dictionary

Offline Wiktionary with custom dictionary support on Android. Its search results are easy to read for robots like you. It is open-source.

https://codeberg.org/GrimPixel/Text_to_Wordlist

Turn a text into a wordlist and attach dictionary items on them with JSON files from kaikki.org. It is open-source.

Translator

 !! https://crow-translate.github.io/

Translator with multiple engine support. It is open-source.

 !! https://github.com/Bnyro/TranslateYou

Translator for Android. It is open-source.

 !! https://github.com/FilipePS/Traduzir-paginas-web

Webpage translation for Firefox. It is open-source.

 !! https://simple-translate.sienori.com/

Browser add-on for Google Translate with detailed information. It is open-source.

https://github.com/ttop32/MouseTooltipTranslator

Translator for Chromium and other Browsers with mouse hovering. It is open-source.

This extension sets AltGr key to translate.

https://www.soimort.org/translate-shell/

Command-line translator from different sources. It is open-source.

https://www.apertium.org/

It is open-source.

A video about it.

https://www.argosopentech.com/

It is open-source.

 !!!! https://www.dual-subtitles.com/

Dual subtitles on YouTube integrated in the video player. The translation is set in the setting “Default subtitles” of YouTube.

 !!!! https://www.dualsub.xyz/

Dual subtitles on YouTube and other sites with Chinese and Japanese transcription support. Embedded videos are not supported.

 !!!! https://www.subtrans.cc/

Dual subtitles on YouTube and other sites with SRT file support. Subtitles can be delayed or advanced.

Conjugation

 !!!! https://cooljugator.com/

Conjugation and some declension.

 !!!! https://www.verbix.com/

Conjugation.

Gender

 !! http://www.passion4teq.com/apps/

Apps for practising genders in 4 languages. You can also estimate how long you can practice until your battery goes empty.

Number

https://codeberg.org/GrimPixel/Numeration

Program to practise reading numbers. It is open-source.

In progress. It can see major progresses during school holidays. Introduction: Language/Multiple-languages/Vocabulary/Numeration-Tutorial.

➡ Write a review

 !! https://www.languagesandnumbers.com/numbering-systems/

Rules of writing numbers, more concise than Wikipedia's entries.

Grammar Checker

https://languagetool.org/

It supports several languages, but works well on the few. It is open-source.

A video about the rule editor.

Audio Player

 !! https://audacious-media-player.org/

Lightweight audio player for desktops. It is open-source.

 !! https://www.strawberrymusicplayer.org/

Audio manager with many features. It is open-source.

 !! https://quodlibet.readthedocs.io/

Simple audio manager. It is open-source.

https://musikcube.com/

Music player in command-line. It is open-source.

 !! https://github.com/chr56/Phonograph_Plus

Lightweight audio player for Android. It is open-source.

 !!!! https://www.listeningpractice.org/

To practice listening. Voices are from volunteers and their qualities vary. It also has conjugation exercises. Its work is under public licenses.

If your browser doesn't play the audio automatically, then you need to grant the website the autoplay permission (next to the URL in Firefox).

 !! https://globalstorybooks.net/

Stories in many languages translated from African Storybook. Its work is under a public license.

 !! https://www.easy-languages.org/

Street interview videos with embedded subtitles. Real and fun.

The first time I watch a video, I was busy picking up the unknown words; the second time, I understood the sentences; the third time, I got an impression what kind of person the interviewee is.

 !! https://librivox.org/

Books read by volunteers. Its work is under public licenses.

 !! https://lyricstraining.com/

Listen to songs and fill in the blanks of lyrics.

 !! https://www.captionpop.com/

Watch videos and learn with subtitles.

 !! https://lingualibre.org/

Recordings. Its work is under a public license.

 !! https://rhinospike.com/

Recordings.

 !! https://audio-lingua.ac-versailles.fr/

Listening materials with CEFRL levels. Its work is under public licenses.

It doesn't have transcripts, so speech-recognition is required.

Audio Tool

 !! https://tenacityaudio.org/

For audio edit, as well as training your pronunciation by comparing your own voice with the recording you were imitating. Fork of Audacity without potential privacy violation. It is open-source.

There are videos about checking your pronunciation, practising dialogues on your own, recording computer audio, labeling audio positions.

 !! https://obsproject.com/

When you are playing games in the languages you are learning, it is often hard to focus on the voices and subtitles without failing your goals in the games. You can solve this problem by recording your gameplay with this program. It is open-source.

https://www.fon.hum.uva.nl/praat/

With this one, you can say you are “studying” pronunciation.

A little tutorial and a big playlist of various videos.

Text-to-Speech

If you don't know how to get the voices on Windows, you can see Language/Multiple-languages/Culture/How-to-use-SR-and-TTS-on-Windows.

 !! https://github.com/ideasman42/nerd-dictation

TTS for Linux. It is open-source.

 !!!! https://www.cwu.edu/student-life/student-support/central-access/resources/reader.php

A TTS program. It is open-source.

 !!!! http://www.cross-plus-a.com/balabolka.htm

A TTS program with support other than SAPI 5.

 !!!! https://github.com/Danesprite/tts-util-app

Text-to-Speech for Android. It is open-source.

 !! https://readaloud.app/

Browser add-on. It is open-source.

 !! https://github.com/suno-ai/bark

Text-to-Speech model. It is open-source.

 !! https://codeberg.org/GrimPixel/Altering_TTS

A little program to generate audio files with altering TTS voices. It is open-source.

Configure everything in “setting.yaml”, have a look at “demo.tsv”. Change your command-line directory into the folder, run “python do.py“ to start.

Currently only Google Translate is supported. Offline engines on the way.

Speech Recognition

 !!!! https://github.com/audapolis/audapolis

It transcribes audio. It is open-source.

 !!!! https://www.speechtexter.com/

Turn audio into texts, powered by Google.

 !!!! https://speech-to-text-demo.ng.bluemix.net/

Turn audio into texts, powered by IBM Watson.

Example Sentence

 !!!! https://tatoeba.org/

Example sentences in many languages. Its work is under public licenses.

Don't forget to try searching in both directions. You can not only see the meaning of a sentence, but also try to translate a sentence into the language you are learning and see how you did.

If you want to translate, please translate sentences with audio first, because the translations may appear on sites which provide translations of audio.

 !! https://deskell.sketchengine.co.uk/run.cgi/skell

Sketch from a large of text corpus.

Parallel Text

 !!!! https://weblate.org/

Website for localisation. You can easily find parallel texts. It is open-source.

 !! http://sublearning.com/

Subtitles in parallel. Sometimes the selected lines don't match because the sentences are not complete. Sometimes there are mistakes in subtitles.

https://www.manualslib.com/

Manuals. Some of them are in multiple languages. You can also find their German, Spanish, French domains at the bottom of the page.

https://www.bible.com/

Bible in more than 1600 languages.

https://andbible.org/

Bible in many languages on Android. It is open-source.

https://quran.com/

Quran in many languages. It has an open-source Android app and other programs on GitHub.

Parse Tree

 !! https://sourceforge.net/projects/treeform/

A tool to draw parse trees and have a better understanding of sentence structures. It is open-source.

A video about it.

 !! https://ltc.sourceforge.io/

A different one to draw parse trees. It is open-source.

Text Memorization

 !! https://github.com/zg/text-memorize

For memorizing text.

Phrasebook

 !!!! https://www.funeasylearn.com/

It provides apps for both phrase and vocabulary.

 !! https://www.loecsen.com/

It supports many languages, and it is detailed.

 !! https://www.50languages.com/

Actually a few more than 50 languages. You can also have a test there.

Clock

 !! https://theknight.co.uk/

Clock widget on Linux. It is open-source.

 !! https://www.timeanddate.com/

It has not only the world clock for every city, but also many other features, such as calendars with festivals of most countries.

Weather

 !! https://github.com/chubin/wttr.in

Weather program in command line. It is open-source.

 !! https://github.com/woheller69/omweather

Weather program for Android. It is open-source.

 !! https://www.ventusky.com/

A lot of things about meteorology.

 !! https://earth.nullschool.net/

Wind, weather, ocean conditions.

 !! https://waqi.info/

Air condition around the world.

Community

 !! https://www.pidgin.im/

Chat client that supports many protocols through plug-ins. It is open-source.

 !! https://www.italki.com/

The most popular language learning community by now. It also pushes helpful articles written by teachers.

 !! https://www.tolearnfree.com/free-educational-sites.php

The design of the webpages is old-fashioned, but it has a lot of content, including little tests.

Its French version has something more.

 !! https://polyglotclub.com/

There are some rare features of it, such as Wiki lessons, Events. It adopts ISO 639-3, almost every language is included here.

https://hinative.com/

Ask and answer with people around the world.

In some channels, questions are too many, answer rates are low. Try asking at Polyglot Club.

Ask in parallel text in case the respondent doesn't understand your formulation.

https://stackexchange.com/sites#culturerecreation

One of the most popular Q&A site.

Language Exchange

 !! https://conversationexchange.com/

Find language exchange partners online.

 !! https://www.lingbe.com/

Talking with people.

 !! https://mylanguageexchange.com/

Free users can be contacted by those who have paid. Since they have paid, they are more likely to be serious learners.

 !! https://cryptpad.fr/

Cloud office suit. Zero knowledge. It is open-source.

It's also great for language partners to do something together.

https://blogs.transparent.com/

There are periodically good contents being presented.

https://www.thoughtco.com/languages-4133094

Languages are fewer than Transparent's, and so do the update frequency. But its quality is still high.

Lyrics

 !! https://www.musixmatch.com/

Lyrics and their translations.

 !! https://lyricstranslate.com/

Lyrics and their translations.

Subtitle

 !! https://www.opensubtitles.org/

One of the most popular subtitle sites. Subtitles in European languages are easier to find.

➡ Write a review

 !! https://subscene.com/

One of the most popular subtitle sites. Subtitles in English, Arabic, Persian, Indonesian are easier to find.

 !! https://getcaption.co/

Subtitle downloader on desktop. You can add websites on your own. It is open-source.w

 !! https://github.com/FunkyMuse/SubHub

Subtitle downloader on Android. It is open-source.

https://github.com/morpheus65535/bazarr

Subtitle downloader on web. It is open-source.

 !! https://bonigarcia.github.io/dualsub/index.html

It can help to merge two subtitles. It may crash at the second time. It is open-source.

 !! http://subs2srs.sourceforge.net/

Turn subtitles into flashcards. It is open-source.

A video about it.

News

 !! http://www.abyznewslinks.com/

Links to news websites.

Some TV have shows for free, some of which even with subtitles.

 !! https://gitlab.com/magnolia1234/bypass-paywalls-chrome-clean / https://gitlab.com/magnolia1234/bypass-paywalls-firefox-clean

Paywall bypasser for Chromium/Chrome, Firefox and other browsers. It is open-source.

Radio & Podcast

 !! https://www.radio-browser.info/

A list of internet radio stations. You can find clients in “Apps”, some of which are open-source.

I prefer two stations: Public Domain Classical, Public Domain Jazz. Pleasing names.

 !! https://github.com/zaps166/QMPlay2

Podcast player for desktop with RadioBrowser support. It is open-source.

https://github.com/xgi/castero

Podcast client in command line. It is open-source.

 !! https://github.com/XilinJia/Podcini

Podcast player with search engine for Android. It is open-source.

 !! https://podcharts.co/

Charts of podcasts.

 !! https://www.listennotes.com/

Search Engine of podcasts.

Live & Video

 !! https://mpv.io/

Video player with fast response. It is open-source.

 !! https://www.smplayer.info/

It is a frontend of MPlayer and can display two subtitles. It is open-source.

What a good name of this program.

 !! https://github.com/iptv-org/iptv

Database of IPTV stream addresses. It is under a public license.

 !! https://github.com/yuki-iptv/yuki-iptv

IPTV player on desktop. It is open-source.

 !! https://brunochanrio.github.io/DangoPlayer/

IPTV player on Android. It is open-source.

 !! https://livetvcentral.com/

The most complete list of worldwide online TV channels.

Many links are dead, but the live stream is still available somewhere else in many of these sites.

 !! https://www.downthemall.org/

Link and image downloader. It is open-source.

 !! https://github.com/yt-dlp/yt-dlp

Video downloader in command line. It is open-source.

https://www.favoree.io/

Popular YouTube channels, in English.

https://similarchannels.com/

It can find similar YouTube channels.

Language Information

https://www.omniglot.com/

It provides information about basic knowledge of many languages. Many “Alphabet and Pronunciation” lessons on this site are from there.

➡ Write a review

https://glottolog.org/

Information of languages of the world. Not only languages, but also many varieties. It is open-source. Its work is under a public license.

https://www.scriptsource.org/

Information of scripts. Its work is under a public license.

https://www.muturzikin.com/countries.htm

Linguistic maps.

https://lingvo.info/

General knowledge about European languages.

https://iso639-3.sil.org/

Codes for every language and is still being updated. You can find the whole table.

General Knowledge

https://www.britannica.com/

A comprehensive encyclopedia.

Educational Resources

https://oasis.geneseo.edu/index.php

Educational resources including geography, history and sociology. Its contents are under public licenses.

Map

 !! https://www.openstreetmap.org/

Another map site. You can even download them. It is open-source.

There is a video about its modification with Inkscape.

 !! https://marble.kde.org/

Alternative to Google Earth. It is open-source.

 !! https://organicmaps.app/

Offline maps for mobile with OpenStreetMap data. It is open-source.

 !! https://ontheworldmap.com/

Downloadable maps. It even includes cities. I don't expect them to be up-to-date.

National Symbol

 !! https://en.wikipedia.org/wiki/Lists_of_national_symbols

Lists of national symbols.

Culture & Travel

https://ehrafworldcultures.yale.edu/

Introductions to cultures.

https://www.wikivoyage.org/

Introduction of the city and many details of countries. It is open-source.

The most important page for travelers is this.

https://www.everyculture.com/

Its information is old. There are details of peoples and countries.

https://www.civilopedia.net/

Encyclopedia for Sid Meier's Civilization VI. It even has multiple languages, so it's great for reading as well.

https://culturalatlas.sbs.com.au/

It is about countries and in progress.

https://www.commisceo-global.com/country-guides/

It is mainly about some details about manners.

https://guide.culturecrossing.net/index.php

It is mainly about some details about manners.

https://en.wikipedia.org/wiki/List_of_subcultures

Subcultures, modern things.

https://whc.unesco.org/en/list/

Cultural heritages. There is also an interactive map.

https://ich.unesco.org/en/lists/

Intangible cultural heritages.

https://www.tripadvisor.com/

Guide of travelling cities.

https://www.cia.gov/the-world-factbook/

A formal publication of basic information about countries.

https://worldcultures.webs.com/

Links to other sites about cultures.

History

https://www.worldhistory.org/

An encyclopedia. Articles, images, videos, 3D images, podcasts and more.

http://www.fsmitha.com/

Detailed articles about history.

https://play.google.com/store/apps/details?id=com.timleg.historytimeline

An app about major events of history.

https://www.hyperhistory.com/online_n2/History_n2/a.html

Basic knowledge of the world history. Good for beginners. Looks old-fashioned, but it is not bad if you get used to it.

https://histography.io/

Historical events in dots.

https://omniatlas.com/

It shows you some old news with detailed maps.

https://www.timemaps.com/

Maps of history.

https://worldhist.org/

Map of every year. Names of nations can be searched.

https://www.worldhistorymaps.info/

Historical maps. Its works are under a public license.

https://www.oldmapsonline.org/

Old maps around the world.

The site has trouble with the mobile site. You need to set to view the desktop site on mobile.

https://plato.stanford.edu/index.html

Stanford Encyclopedia of Philosophy.

https://iep.utm.edu/

University of Tennessee at Martin's Encyclopedia of Philosophy.

https://www.philosophybasics.com/

The basics of philosophy, “by a layman for the layman”.

https://simplyphilosophy.org/

Articles about different aspects of philosophy.

http://philosophypages.com/

Resources about philosophy. Its work is under a public license.

https://www.learnreligions.com/

Articles about religions.

https://slife.org/

An interfaith community with introductions to spiritual topics.

https://www.holybooks.com/

Downloadable books about religions.

https://en.wikipedia.org/wiki/List_of_religions_and_spiritual_traditions

List of religions and spiritual traditions.

https://virtualreligion.net/

Resources about religions.

Mythology

https://mythbank.com/

Basics of myths.

https://mythopedia.com/

Myth information.

https://en.wikipedia.org/wiki/List_of_mythologies

List of mythologies.

Epic

https://en.wikipedia.org/wiki/List_of_epic_poems

Epics.

Geography

https://www.worldatlas.com/

Short articles.

 !! http://worldmapquiz.qbisstudio.com/index.html

An app for practising world map in several languages. Dependencies are not all included. The form of address in Chinese version is a mixture of PRC's and ROC's, which is not good. For Chinese names of countries, there is a list: Language/Mandarin-chinese/Vocabulary/Countries-and-Nationalities.

 !! https://www.geoguessr.com/seterra/

Game of geography, online or with apps.

https://www.flagid.org/

Flag identifier.

https://worldledaily.com/

Street view quizzes.

https://virtualvacation.us/

Street view videos with quizzes.

Music

 !! https://folkcloud.com/

Information about folk music.

 !! https://www.chosic.com/

Many tools about music, including similar song finder.

 !! https://www.soundhound.com/

Recognize music with recording or your hum. It has some advantages over Shazam.

 !! https://www.shazam.com/

Recognize music with recording. It has some advantages over Soundhound.

Art

 !! https://www.wikiart.org/

All kinds of artwork around the world.

Dance

 !! https://en.wikipedia.org/wiki/List_of_ethnic,_regional,_and_folk_dances_by_origin

Dances by origin. You can search for them on video sites.

https://www.allrecipes.com/recipes/86/world-cuisine/

A bit of recipes around the world.

https://en.wikipedia.org/wiki/List_of_cuisines

List of cuisines.

Sport

http://www.traditionalsports.org/

Introduction to traditional sports.

 !! https://drwhut.itch.io/tabletop-club

Multiplayer 3D tabletop games. Still incomplete currently. It is open-source.

 !! https://pysolfc.sourceforge.io/

Card and tile games. It is open-source.

 !! https://www.gnu.org/software/xboard/

Traditional board games. Its user interface is more cruel than AI opponents. It is open-source.

There are pre-installed engines, but they are somehow old. The most versatile engine is Fairy Stockfish.

Cute Chess looks good, but Xiangqi and Janggi are missing.

https://www.pychess.org/

Multiplayer platform for playing chess variants.

https://vassalengine.org/

Strategy game engine and modules. It is open-source.

https://boardgamegeek.com/

Information of board games.

https://www.wopc.co.uk/

Playing card patterns.

Folk Costume

 !! https://en.wikipedia.org/wiki/Folk_costume

List of folk costume.

Folktale

https://fairytalez.com/

Some tales.

https://www.worldoftales.com/

Some tale books.

Festival

 !! https://en.wikipedia.org/wiki/Category:Lists_of_festivals_by_country

Not complete, but still good.

https://www.world-festivals.net/

It includes more countries than the one above. I wonder if it is so difficult to gather information about festivals.

Martial Art

https://en.wikipedia.org/wiki/List_of_martial_arts

List of martial arts.

https://blackbeltwiki.com/

Introduction to many martial arts.

Name

 !! https://en.wikipedia.org/wiki/Lists_of_most_common_surnames

List of the most popular family names.

 !! https://en.wikipedia.org/wiki/List_of_most_popular_given_names

List of the most popular given names.

 !! https://www.behindthename.com/

Find the meanings of a given name.

Astronomy

https://stellarium.org/

You can see the sky in different locations and times. There are starlores in different cultures. Some even have constellation art.

Living Condition

https://www.numbeo.com/cost-of-living/

Prices from the world. Sometimes inaccurate.

https://www.globalproductprices.com/

The prices of products in different regions. Its work is under a public license.

https://www.globalpetrolprices.com/

The prices of energy in different regions. Its work is under a public license.

Economy

https://www.exchange-rates.org/

Exchange rates.

https://commodity.com/

Basic understanding of trading around the world.

Vehicle

https://www.globalcarsbrands.com/

Automobile brands around the world.

Statistics

https://www.statista.com/

All kinds of statistical data. Some are free.

https://ourworldindata.org/

It has detailed explanation on its data.

Train

https://www.seat61.com/

Information about train travels.

Prepaid SIM Card

https://prepaid-data-sim-card.fandom.com/wiki/Prepaid_SIM_with_data

Details about SIM cards. Its work is under a public license.

License Plate

 !! http://www.worldlicenseplates.com/

Take a look if you are interested. It's completed.

Trivia Quiz

https://www.jetpunk.com/

Trivia quizzes of the world. It is available in multiple languages.

Model

https://castle-engine.io/view3dscene.php

3D model viewer with support of walking and flying. It is open-source.

https://sketchfab.com/

3D models, some of which are under public licenses. Make sure your computer's memory is large enough to view them.

You can also use 3D printers to print them if you like.

Character

 !! https://wiki.gnome.org/Apps/Gucharmap

Character map for Linux and macOS. It is open-source.

 !! https://leun4m.github.io/symbsearch/

Character search for Windows. It is open-source.

 !! https://github.com/Ryosuke839/UnicodePad

Character search for Android. It is open-source.

It is also available on F-droid.

 !! https://www.google.com/get/noto/

It presents a lot of fonts in one art style. It is open-source.

 !! https://unifoundry.com/unifont/index.html

No one covers more of the Unicode map than GNU Unifont. It is open-source.

Its function is limited, such as bad support for South and Southeast Asian characters.

 !! https://www.fontspace.com/

You can go to its “stuff” and search by Unicode characters.

Optical Character Recognition

https://github.com/manisandro/gImageReader

It recognizes characters on the screen with Tesseract. It is open-source.

A video about training.

https://dynobo.github.io/normcap/

Capture screen and recognize the characters with Tesseract. It is open-source.

 !! https://tegaki.github.io/

Handwriting recognition for Chinese and Japanese. You can download new models and load them. It is open-source.

https://github.com/SubhamTyagi/android-ocr

It uses Tesseract 4 data on Android. It is open-source.

Language Identifier

 !! http://www.polyglot3000.com/

It identifies languages.

Resource Links

Unlike this page, those are for some specific languages, and I am not responsible for their qualities.

https://commons.wikimedia.org/wiki/Commons:Free_media_resources

Free media resources.

https://www.lexilogos.com/english/index.htm

This one is in a great quantity.

https://www.ats-group.net/language-resources.html

This service has many languages.

http://lexicity.com/

This one focuses on ancient languages.

http://www.meta-share.org/

Repository for language researching.

Internet Archive

https://archive.org/

Archive of the Internet since 1996 and other things. Really cool!

Virtual Private Network and others

 !! mailto:get@psiphon3.com

Those who are hindered from accessing the world Internet, send an e-mail to it.

Official site: https://psiphon3.com/en/index.html

 !! https://www.torproject.org/

For visiting Project Gutenburg and other sites, if some books are still not in public domain in your country. It is open-source.

It won't lead you to the dark web, if you don't know any such address.

 !! https://protonvpn.com/

It doesn't allow torrenting on the free plan, but there's no volume limit.

 !! https://windscribe.com/

They provide 10GB each month with high speed and multiple locations for free. Great for “immersive language learning”.

-- AUTHOR --

GrimPixel

Other Lessons

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