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

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Hello polyglots, 😀   
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 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.
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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It is not recommended to put some banner like “featured in Polyglot Club” on your website, because this list is dynamic.
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/
It is highly recommended to have privacy protections on. There are resources on privacy:
* [https://github.com/pluja/awesome-privacy Awesome Privacy]
* [https://digital-defense.io/ Digital Defense]
* [https://privacyguides.org/ Privacy Guides]


=== Tips ===
=== Tips ===
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]. If you use Linux, you may use [https://sites.google.com/site/pleyadestest/david/projects/sakura Sakura], for its light-weight and Unicode support; If you want to customise the font in command line on Windows, you can use [https://conemu.github.io/ ConEmu].
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 want to customise the font in command-line on Windows, you can use [https://conemu.github.io/ ConEmu].


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.
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].


If you see GitHub or GitLab links, please notice that the download icons mean to download 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.
To customise the display of webpages, see [https://greasyfork.org/ Greasy Fork] to find corresponding tools.
 
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 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 compile it and then run it, if the programming language of the program requires it. You may find details on the internet.
 
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. 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://securityaffairs.co/129174/hacking/node-ipc-npm-package-sabotage.html node-ipc by RIAEvangelist on GitHub]. Also, GitHub has the background of political activism (pro-Ukraine).
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.
Java relies on a virtual machine, which is an emulator of a computer system and requires some more system resources.


Some programs require Markdown, a markup language. There is the [https://www.markdownguide.org/ Markdown Guide] for learning.
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.
 
Some jerks cram all codes into a single line so other people can't easily study the code and modify it, while putting the program under an open public license. In this case, the deobfuscation is required. However, the need of deobfuscation in an open-source program disqualifies it as a valid choice.


See if the program is updated recently.
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].


=== 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> !! https://github.com/ltGuillaume/Redshift-Tray </big></big>
<hr><big><big> !! https://codeberg.org/ltguillaume/redshift-tray </big></big>


Filter for Windows. It is open-source.
Filter for Windows. It is open-source.
<hr><big><big> !! https://codeberg.org/sanshiro/EyeCareWindow </big></big>
Coloured window with mouse passthrough. It is open-source.


<hr><big><big> !! https://darkreader.org/ </big></big>
<hr><big><big> !! https://darkreader.org/ </big></big>


Dark mode for web browsers. It is open-source.
Dark mode for web browsers. It is open-source.
This service has been having the background of political activism (pro-Ukraine).


== <div style="color:#119922; font-weight:bold;">Reminder</div> ==
== <div style="color:#119922; font-weight:bold;">Reminder</div> ==
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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/WinTenDev/rminder </big></big>
<hr><big><big> !! https://github.com/AllanChain/sane-break </big></big>
 
Reminders for Chromium/Chrome. It is open-source.


<hr><big><big> !! https://github.com/adrcotfas/Goodtime </big></big>
Reminder with notice in advance. It is open-source.
 
Pomodoro timer on Android. 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>
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Break down a period of time to equal slices on Android. It is open-source.
Break down a period of time to equal slices on Android. It is open-source.


<hr><big><big> !! https://github.com/thetwom/toc2 </big></big>
<hr><big><big> !! https://github.com/mattvchandler/ProgressBars  </big></big>


Metronome on Android. It is open-source.
Progress bars on Android. It is open-source.


<hr><big><big> !! https://www.antcom.de/gtick/ </big></big>
== <div style="color:#119922; font-weight:bold;">Work-Break Timer</div> ==


Metronome on Linux. It is open-source.
<hr><big><big> !! https://github.com/vjousse/pomodorolm </big></big>


<hr><big><big> !! https://sourceforge.net/projects/openmetronome/ </big></big>
Simple work-break timer on desktop. It is open-source.


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


== <div style="color:#119922; font-weight:bold;">Self-Control Helper</div> ==
Work-break timer in command-line. It is open-source.


<hr><big><big> !! https://www.proginosko.com/leechblock/ </big></big>
<hr><big><big> !! https://github.com/Arijit-05/Fomodoro </big></big>


Browser add-ons for blocking websites. It is open-source.
Work-break timer with custom sessions on Android. It is open-source.


<hr><big><big> !! https://timelimit.io/ </big></big>
<hr><big><big> !! https://github.com/adrcotfas/Goodtime </big></big>
 
Limit your app using time for Android. It is open-source.


<hr><big><big> !! https://detoxdroid.flx-apps.com/ </big></big>
Work-break timer with statistics on Android. It is open-source.


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


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


<hr><big><big> !! https://selfcontrolapp.com/ </big></big>
Track your own desktop activity. It is open-source.


Block websites for Mac. It is open-source.
<hr><big><big> !! https://github.com/rybak/resoday </big></big>


== <div style="color:#119922; font-weight:bold;">Activity Tracker</div> ==
Habit calendar on desktop. It is open-source.


<hr><big><big> https://activitywatch.net/ </big></big>
<hr><big><big> !! https://codeberg.org/fynngodau/usageDirect </big></big>


Track your own activity. It is open-source.
It shows your app usage 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/Razeeman/Android-SimpleTimeTracker </big></big>
<hr><big><big> !! https://github.com/Razeeman/Android-SimpleTimeTracker </big></big>
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<hr><big><big> !! https://github.com/iSoron/uhabits </big></big>
<hr><big><big> !! https://github.com/iSoron/uhabits </big></big>


Simple habit tracker for 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>
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Timer for activities on desktop. 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/Glitchy-Tozier/githo </big></big>
<hr><big><big> !! https://github.com/appstome/timetome-app </big></big>


Form a habit step by step, on Android. It is open-source.
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.
 
<hr><big><big> !! https://github.com/Glitchy-Tozier/githo </big></big>
 
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/CliffracerMerchant/SoundAura </big></big>
Limit your mobile phone usage. It is open-source.


Audio player that plays multiple files simultaneously. 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/yuttadhammo/BodhiTimer </big></big>
<hr><big><big> !! https://github.com/hagezi/dns-blocklists </big></big>


Meditation timer. It is open-source.
Blocklists. It is open-source.


<hr><big><big> !! https://github.com/Mr-Kumar-Abhishek/brain-beats </big></big>
== <div style="color:#119922; font-weight:bold;">Skill Training</div> ==


Binaural beats and more for desktop. It is open-source.
<hr><big><big> https://humanbenchmark.com/ </big></big>


<hr><big><big> !! https://gitlab.com/axet/android-binaural-beats </big></big>
Tester of multiple skills.


Binaural beats for Android. It is open-source.
<hr><big><big> !! https://aimtrain.gitlab.io/ </big></big>


<hr><big><big> !! https://sites.google.com/view/jithware </big></big>
First-person shooter training for better cognition. It is open-source.


Meditation helper with breath control for Android. It is open-source.
<hr><big><big> !! https://codeberg.org/quentin-bettoum/libre-memory-game </big></big>


== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Input-methods <u>Keyboard</u>]</div> ==
Memory game. It is open-source.


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


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


[https://commons.wikimedia.org/wiki/File:KB_US-Colemak_with_AltGr.svg A better layout image].
Workout assistant for Android with animations or videos. It is open-source.


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.
== <div style="color:#119922; font-weight:bold;">Eating</div> ==


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.
<hr><big><big> https://codeberg.org/epinez/Energize/ </big></big>


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].
Nutrition tracker for Android. It is open-source.


<hr><big><big> https://bepo.fr/wiki/Accueil </big></big>
<hr><big><big> https://world.openfoodfacts.org/ </big></big>


Based on French, giving consideration to European languages. But if you don't type French much, it might be not ideal.
Information about food nutrition.


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.
== <div style="color:#119922; font-weight:bold;">Relaxation & Meditation</div> ==


<hr><big><big> https://forum.colemak.com/topic/519-rulemak-russian-colemak-layout/ </big></big>
<hr><big><big> !! https://pixabay.com/sound-effects/ </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.
Sound effects. Turn loop on and enjoy. Its works are under a public license.


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/rafaelmardojai/blanket </big></big>


<hr><big><big> !! https://play.google.com/store/apps/details?id=kl.ime.oh </big></big>
Play multiple audio files simultaneously on Linux. 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/CliffracerMerchant/SoundAura </big></big>


== <div style="color:#119922; font-weight:bold;">Typing</div> ==
Play multiple audio files simultaneously on Android. It is open-source.


<hr><big><big> !! https://github.com/Kaiyiwing/qwerty-learner </big></big>
<hr><big><big> !! https://github.com/yuttadhammo/BodhiTimer </big></big>


Typing on web. It is open-source.
Meditation timer. It is open-source.


Dictionaries are at “/public/dicts/”.
<hr><big><big> !! https://github.com/Mr-Kumar-Abhishek/brain-beats </big></big>


<hr><big><big> !! https://github.com/max-niederman/ttyper </big></big>
Binaural beats and more for desktop. It is open-source.


Typing practice in command line with detailed statistics. It is open-source.
<hr><big><big> !! https://gitlab.com/axet/android-binaural-beats </big></big>


<hr><big><big> !! https://github.com/bloznelis/typioca </big></big>
Binaural beats for Android. It is open-source.


Typing practice in command line with a time limit. It is open-source.
<hr><big><big> !! https://sites.google.com/view/jithware </big></big>


<hr><big><big> !! https://github.com/plu5/retype </big></big>
Meditation helper with breath control for Android. It is open-source.


Type books in EPUB format. It is open-source.
== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Input-methods <u>Keyboard</u>]</div> ==


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


<hr><big><big> !! https://en.wikipedia.org/wiki/Table_of_keyboard_shortcuts </big></big>
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.


Keyboard shortcuts in general.
[https://commons.wikimedia.org/wiki/File:KB_US-Colemak_with_AltGr.svg A better layout image].


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


Keyboard shortcuts for specific programs. Add “?pdfOptions=True” to the end of address to download its PDF.
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.


This service has been having the background of political activism (pro-Ukraine).
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].


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


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


Cheat sheets for programs.
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.


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


Knowledge base of commands in command-line. It is open-source.
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.


== <div style="color:#119922; font-weight:bold;">Text Editor</div> ==
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://vscodium.com/ </big></big>
<hr><big><big> !! https://play.google.com/store/apps/details?id=kl.ime.oh </big></big>


Text editor with extensibility. It is open-source.
It is lightweight and supports many languages, with many keyboard layouts. But it has problems, such as poor Japanese support.


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://github.com/Helium314/HeliBoard </big></big>


<hr><big><big> !! https://www.geany.org/ </big></big>
Keyboard on Android with initial CJKV support. It is open-source.


Text editor with features like replacing text in multiple files. It is open-source.
<hr><big><big> !! https://florisboard.org/ </big></big>


<hr><big><big> !! https://micro-editor.github.io/ </big></big>
Keyboard on Android with CJKV support in its beta version. It is open-source.


Text editor in command-line. It is open-source.
== <div style="color:#119922; font-weight:bold;">Typing</div> ==


<hr><big><big> !! https://gsantner.net/project/markor.html </big></big>
<hr><big><big> !! https://github.com/max-niederman/ttyper </big></big>


Text editor with markdown and todo.txt supports on Android. It is open-source.
Typing practice in command-line with detailed statistics and missed-word practice. It is open-source.


== <div style="color:#119922; font-weight:bold;">Comprehensive Tool</div> ==
<hr><big><big> !! https://github.com/bloznelis/typioca </big></big>


<hr><big><big> !! https://xwmx.github.io/nb/ </big></big>
Typing practice in command-line with a time limit. It is open-source.


Knowledge management in command-line. It is open-source.
<hr><big><big> !! https://github.com/Mithil467/mitype </big></big>


<hr><big><big> !! https://github.com/mhss1/MyBrain </big></big>
See the replay of your typing session. It is open-source.


All-in-One productivity for Android. It is open-source.
<hr><big><big> !! https://github.com/plu5/retype </big></big>


== <div style="color:#119922; font-weight:bold;">To-Do-List & Task Calendar</div> ==
Type books in EPUB format. It is open-source.


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


Simple to-do-list. It is open-source.
<hr><big><big> !! https://en.wikipedia.org/wiki/Table_of_keyboard_shortcuts </big></big>


<hr><big><big> !! https://abstractspoon.com/wiki/doku.php?id=todolist-description </big></big>
Keyboard shortcuts in general.


Complex to-do-list. It is open-source.
<hr><big><big> !! https://defkey.com/ </big></big>


<hr><big><big> !! https://github.com/kraanzu/dooit </big></big>
Keyboard shortcuts for specific programs. Add “?pdfOptions=True” to the end of address to download its PDF.


To-do-list on command-line. It is open-source.
== <div style="color:#119922; font-weight:bold;">Cheat Sheet</div> ==


<hr><big><big> !! https://super-productivity.com/ </big></big>
<hr><big><big> !! https://cheatography.com/ </big></big>


Good-looking schedule with a pomodoro timer. It is open-source.
Cheat sheets for programs.


Electron.js is used.
<hr><big><big> !! https://github.com/gnebbia/kb </big></big>


[https://www.youtube.com/watch?v=J8a5rA-Exmw A video about it].
Knowledge base of commands in command-line. It is open-source.


<hr><big><big> !! https://github.com/ransome1/sleek </big></big>
== <div style="color:#119922; font-weight:bold;">File Management</div> ==


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


Electron.js is used.
File manager in command-line. It is open-source.


<hr><big><big> !! https://github.com/klaudiosinani/taskbook </big></big>
<hr><big><big> !! https://github.com/sharkdp/fd </big></big>


To-do-list in command-line. It is open-source.
Find local files in command-line. It is open-source.


<hr><big><big> !! https://tasks.org/ </big></big>
<hr><big><big> !! https://github.com/phiresky/ripgrep-all </big></big>


To-do-list on Android. It is open-source.
Find texts in local files in command-line. It is open-source.


<hr><big><big> !! https://crazymarvin.com/to-dont/ </big></big>
== <div style="color:#119922; font-weight:bold;">Text Editor</div> ==


To-don't-list on Android. It is open-source.
<hr><big><big> !! https://www.geany.org/ </big></big>


<hr><big><big> !! https://eck.cologne/peafactory/en/html/calendar_pea.html </big></big>
Text editor with features like replacing text in multiple files. It is open-source.


Calendar program with encryption. Java is required. It is open-source.
<hr><big><big> !! http://lapce.dev/ </big></big>


<hr><big><big> !! https://github.com/Etar-Group/Etar-Calendar </big></big>
Text editor with plugins. Input methods like Fcitx not supported yet. It is open-source.


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


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


Knowledge manager with graphic view of nodes and flashcards. It has plugins including adding Anki Flashcards. It is open-source.
Simple text editor in command-line. It is open-source.


Electron.js is used.
<hr><big><big> https://neovim.io/ </big></big>


<hr><big><big> !! https://mindforger.com/ </big></big>
Text editor in command-line with modes and plugins. It is open-source.


Note, with hierarchy and tags, can be exported to CSV files. It is open-source.
A configuration like [https://github.com/LazyVim/LazyVim LazyVim] is recommended.


<hr><big><big> !! https://github.com/zadam/trilium </big></big>
<hr><big><big> https://github.com/helix-editor/helix </big></big>


Advanced notebook with hierarchy, text formatting, link map, synchronization and encryption. Good for working. It is open-source.  
Text editor in command-line with modes. It is open-source.


Electron.js is used.
== <div style="color:#119922; font-weight:bold;">Terminal Emulator</div> ==


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


<hr><big><big> !! https://www.giuspen.com/cherrytree/ </big></big>
Terminal with high performance and correct Unicode support. It is open-source.


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


This service has been having the background of political activism (pro-Ukraine).
<hr><big><big> !! https://www.marktyler.org/ced/ </big></big>


<hr><big><big> !! https://eck.cologne/peafactory/en/html/notebook_pea.html </big></big>
Minimal spreadsheet program. It is open-source.


Write RTF files with encryption. Java is required. It is open-source.
<hr><big><big> !! https://github.com/wfxr/csview </big></big>


<hr><big><big> !! https://quillpad.github.io/ </big></big>
Spreadsheet viewer in command-line. It is open-source.


Simple note-taking app for Android. It is open-source.
<hr><big><big> !! https://github.com/jqnatividad/qsv </big></big>


<hr><big><big> !! https://safenotes.dev/ </big></big>
Spreadsheet tool in command-line. It is open-source.


Encrypted notes on Android. It is open-source.
== <div style="color:#119922; font-weight:bold;">Comprehensive Tool</div> ==


<hr><big><big> !! https://jrnl.sh/ </big></big>
<hr><big><big> !! https://affine.pro/ </big></big>


Notebook in command-line. It is open-source.
Text and whiteboard. It is open-source.


<hr><big><big> !! https://orgmode.org/ </big></big>
<hr><big><big> !! https://super-productivity.com/ </big></big>


Notebook for Emacs, Neovim and other text editors. It is open-source.
Good-looking schedule with a pomodoro timer. It is open-source.


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


Notebook for Tiddly Wiki. It is open-source.
<hr><big><big> !! https://xwmx.github.io/nb/ </big></big>


== <div style="color:#119922; font-weight:bold;">Handwriting Notebook</div> ==
Knowledge management in command-line. It is open-source.


<hr><big><big> !! https://xournalpp.github.io/ </big></big>
<hr><big><big> !! https://jtx.techbee.at/ </big></big>


Handwritten note editor. It is open-source.
Journal, note, todo with tags on Android. It is open-source.


<hr><big><big> !! https://github.com/adil192/saber </big></big>
<hr><big><big> !! https://github.com/mhss1/MyBrain </big></big>


Note with handwriting. It is open-source.
All-in-One productivity on Android. It is open-source.


<hr><big><big> !! https://rnote.flxzt.net/ </big></big>
== <div style="color:#119922; font-weight:bold;">Task Planner & To-Do-List</div> ==


Handwriting program. It is open-source.
<hr><big><big> !! https://www.abstractspoon.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Whiteboard</div> ==
Versatile task planner on desktop. It is open-source.


<hr><big><big> !! https://excalidraw.com/ </big></big>
<hr><big><big> !! https://www.taskcoach.org/ </big></big>


Online whiteboard. It is open-source.
Simple task planner on desktop. It is open-source.


<hr><big><big> !! https://www.tldraw.com/ </big></big>
<hr><big><big> !! https://github.com/v1tzor/TimePlanner </big></big>
Online whiteboard. It is open-source.


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


<hr><big><big> https://www.dokuwiki.org/dokuwiki </big></big>
<hr><big><big> https://taskwarrior.org/ </big></big>


Wiki with many add-ons. It is open-source.
Task planner in command-line. It is open-source.


It has [https://github.com/fabienli/DokuwikiAndroid an open-source viewer for Android].
<hr><big><big> https://github.com/anufrievroman/calcure </big></big>


<hr><big><big> https://tiddlywiki.com/ </big></big>
Simple task planner in command-line. It is open-source.


Non-linear Wiki on web that require some effort to install. It is open-source.
<hr><big><big> !! https://eck.cologne/peafactory/en/html/calendar_pea.html </big></big>


It has [https://github.com/donmor/Tiddloid an open-source viewer for Android].
Task calendar with encryption on Android. It is open-source.


<hr><big><big> !! https://www.zim-wiki.org/ </big></big>
<hr><big><big> !! https://github.com/Etar-Group/Etar-Calendar </big></big>


Simple wiki. It is open-source.
Task calendar on Android. It is open-source.


== <div style="color:#119922; font-weight:bold;">Diary</div> ==
<hr><big><big> !! https://github.com/Sztorm/NoteCalendar </big></big>


<hr><big><big> !! http://lifeograph.sourceforge.net/wiki/Main_Page </big></big>
Note calendar. It is open-source.


Diary for desktop. It is open-source.
<hr><big><big> !! https://github.com/ransome1/sleek </big></big>


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


Diary for Android. It is open-source.
<hr><big><big> !! https://github.com/kraanzu/dooit </big></big>


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


<hr><big><big> !! https://www.diagrams.net/ </big></big>
<hr><big><big> !! https://github.com/Zaloog/kanban-python </big></big>


Diagrams. It is open-source.
Kanban in command-line. It is open-source.


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


<hr><big><big> !! http://thetimelineproj.sourceforge.net/ </big></big>
To-do-list on Android. It is open-source.


Timeline. It is open-source.
<hr><big><big> https://github.com/ribeirompl/144_blocks </hr></big></big>


== <div style="color:#119922; font-weight:bold;">Mind Map</div> ==
Plan a day in 144 blocks. It is open-source.


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


Mind map with not many and not few features. It is open-source.
<hr><big><big> !! https://logseq.com/ </big></big>


<hr><big><big> !! https://github.com/juzzlin/Heimer </big></big>
Knowledge manager with graphic view of nodes and flashcards. It has plugins including adding Anki Flashcards. It is open-source.


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


<hr><big><big> !! https://markmap.js.org/ </big></big>
Notes with end-to-end encryption and syncronisation. It is open-source.


Markdown mind map with VSCodium / VS Code support. It is open-source.
<hr><big><big> !! https://mindforger.com/ </big></big>


<hr><big><big> http://tiddlymap.org/ </big></big>
Notes with hierarchy and tags, and can be exported to CSV files. It is open-source.


Mind map for Tiddly Wiki. It is open-source.
<hr><big><big> !! https://github.com/TriliumNext/Notes </big></big>


== <div style="color:#119922; font-weight:bold;">Hierarchical Spreadsheet</div> ==
Advanced notebook with hierarchy, text formatting, link map, synchronization and encryption. Good for working. It is open-source.


<hr><big><big> !! https://strlen.com/treesheets/ </big></big>
<hr><big><big> !! https://github.com/pbek/QOwnNotes </big></big>


It combines mind map, spreadsheet and other forms of data. It is open-source.
Notes and Todos. It is open-source.


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


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


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


Graph for VSCodium and VSCode. It is open-source.
Write RTF files with encryption. It is open-source.


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


<hr><big><big> !! https://www.tagspaces.org/ </big></big>
Simple note-taking app for Android. It is open-source.


File tagging. It is open-source.
<hr><big><big> !! https://github.com/YangDai2003/OpenNote-Compose </big></big>


<hr><big><big> !! https://calibre-ebook.com/ </big></big>
Note-taking app for Android with Markdown, LaTeX and Mermaid support. It is open-source.


E-Book management tool. It is open-source.
<hr><big><big> !! https://safenotes.dev/ </big></big>


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.
Encrypted notes on Android. It is open-source.


<hr><big><big> !! https://github.com/mateusz-bak/openreads-android </big></big>
<hr><big><big> !! https://jrnl.sh/ </big></big>


E-Book tracker on Android. It is open-source.
Notes in command-line. It is open-source.


== <div style="color:#119922; font-weight:bold;"> Web Table Extraction</div> ==
<hr><big><big> !! https://github.com/AmmarAbouZor/tui-journal </big></big>


<hr><big><big> !! https://www.libreoffice.org/ </big></big>
Journal in command-line. It is open-source.


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


<hr><big><big> !! https://merribithouse.net/copytables/ </big></big>
Notebook for Emacs, Neovim and other text editors. It is open-source.


Capture tables from webpages for Chrome and Safari. It is open-source.
<hr><big><big> !! https://gitlab.com/ferreum/pto </big></big>


<hr><big><big> !! https://github.com/nirantak/copytables </big></big>
Plain Text that can be activated at the lock-screen on Android. It is open-source.


Fork of Copytables for Firefox. It is open-source.
<hr><big><big> !! https://postkevone.github.io/tiddlyresearch/ </big></big>


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


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


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://xournalpp.github.io/ </big></big>


<hr><big><big> !! https://easypronunciation.com/en/ipa-phonetic-transcription-converters </big></big>
Handwritten note editor. It is open-source.


IPA and romanization transcriptions. Very detailed, but there is a limitation for each hour. Its “More Tools” is also noteworthy.
<hr><big><big> !! https://saber.adil.hanney.org/ </big></big>


<hr><big><big> https://github.com/dmort27/epitran/ </big></big>
Note with handwriting. It is open-source.


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


It only supports words, as is [https://github.com/dmort27/epitran/issues/12 discussed]. Somebody can develop a tool for sound change.
Handwriting program. It is open-source.


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


<hr><big><big> https://forallx.openlogicproject.org/ </big></big>
<hr><big><big> !! https://certified84.github.io/AudioNote/ </big></big>


Book edited by different groups of people. Its work is under a public license.
Audio notebook on Andriod. It is open-source.


<hr><big><big> https://www.logicmatters.net/tyl/ </big></big>
== <div style="color:#119922; font-weight:bold;">Whiteboard</div> ==


Book, conditioned distribution allowed.
<hr><big><big> !! https://excalidraw.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Internet-Courses <u>Course</u>]</div> ==
Online whiteboard. It is open-source.


<hr><big><big> https://fsi-languages.yojik.eu/ </big></big>
<hr><big><big> !! https://www.tldraw.com/ </big></big>
Online whiteboard. 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.
== <div style="color:#119922; font-weight:bold;">Wiki</div> ==


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


Some super cool courses. This is suggested by RomDasha.
Wiki with many add-ons. It is open-source.


<hr><big><big> !!!! https://www.lingolia.com/ </big></big>
It requires setting up a server.


A little site with useful basic courses of 5 languages with good design.
It has [https://github.com/fabienli/DokuwikiAndroid an open-source viewer for Android].


<hr><big><big> https://en.wikibooks.org/wiki/Subject:Languages </big></big>
<hr><big><big> https://tiddlywiki.com/ </big></big>


Books are mostly incomplete and in lack of update, but some are nearly completed or completed, not bad.
Non-linear Wiki on web with HTML files. It is open-source.


<hr><big><big> https://ikindalikelanguages.com/ </big></big>
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.


Introductions to languages.
It has [https://github.com/donmor/Tiddloid an open-source viewer for Android].


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


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


Dictionary of pronunciation.
== <div style="color:#119922; font-weight:bold;">Diary</div> ==


➡ [https://polyglotclub.com/language.php?tool_id=3 Write a review]
<hr><big><big> !! https://rednotebook.app/ </big></big>


<hr><big><big> !!!! https://youglish.com/ </big></big>
Diary for desktop. It is open-source.


Pronunciation from videos.
<hr><big><big> !! https://billthefarmer.github.io/diary/ </big></big>


<hr><big><big> !! https://speechling.com/ </big></big>
Diary for Android. It is open-source.


Submit the recording and wait for the response. Supported languages are not many.
== <div style="color:#119922; font-weight:bold;">Diagram</div> ==


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


<hr><big><big> !! https://ivypanda.com/tongue-twisters </big></big>
Diagrams. It is open-source.


Try not to hurt yourself when practising.
== <div style="color:#119922; font-weight:bold;">Timeline</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> !! http://thetimelineproj.sourceforge.net/ </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.
Timeline. It is open-source.


== <div style="color:#119922; font-weight:bold;">Flashcard</div> ==
== <div style="color:#119922; font-weight:bold;">Mind Map</div> ==


<hr><big><big> !!!! https://apps.ankiweb.net/ </big></big>
<hr><big><big> !! https://www.insilmaril.de/vym/ </big></big>


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.
Mind map with not many and not few features. It is open-source.


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


Related resources:
Simple and intuitive mind map. It is open-source.


{{Anki-menu}}
<hr><big><big> !! https://markmap.js.org/ </big></big>


There is also [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/How-to-become-a-polyglot#Flashcard a section of an article] on flashcards.
Markdown mind map with VSCodium / VS Code support. 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. Also expect Bazel, which it utilises to cause troubles.
<hr><big><big> http://tiddlymap.org/ </big></big>


<hr><big><big> !! https://mnemosyne-proj.org/ </big></big>
Mind map for Tiddly Wiki. It is open-source.


Flashcards with basic functions. It is open-source.
== <div style="color:#119922; font-weight:bold;">Hierarchical Spreadsheet</div> ==


<hr><big><big> !! https://github.com/proycon/vocage </big></big>
<hr><big><big> !! https://strlen.com/treesheets/ </big></big>


Minimalistic flashcards in command line through TSV files. It is open-source.
It combines mind map, spreadsheet and other forms of data. It is open-source.


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


Flashcard with video clips. It is open-source.
== <div style="color:#119922; font-weight:bold;">Graph</div> ==


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


Chromium/Chrome addon. It is open-source.
Graph for VSCodium and VSCode. It is open-source.


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


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


<hr><big><big> !! https://github.com/rh-id/a-flash-deck </big></big>
<hr><big><big> !! https://calibre-ebook.com/ </big></big>


Flashcards with notification on Android. It is open-source.
E-Book manager. It is open-source.


<hr><big><big> https://tadeas.dev/twsr/ </big></big>
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.


Flashcard for Tiddly Wiki. It is open-source.
<hr><big><big> !! https://github.com/mateusz-bak/openreads-android </big></big>


== <div style="color:#119922; font-weight:bold;">Wallpaper</div> ==
E-Book tracker on Android. It is open-source.


<hr><big><big> https://peterlevi.com/variety/ </big></big>
== <div style="color:#119922; font-weight:bold;"> Web Table Extraction</div> ==


Wallpaper changer for Linux. It is open-source.
<hr><big><big> !! https://www.libreoffice.org/ </big></big>


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:
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.


In “german_words.py”
<hr><big><big> !! https://merribithouse.net/copytables/ </big></big>
* Search and find “data = ”, change its structure;
* Replace “reader(fin)” to “reader(file, delimiter="\t")” to support TSV;


In “words.csv”, change its content.
Capture tables from webpages for Chrome and Safari. It is open-source.


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


<hr><big><big> https://github.com/luyuhuang/DWords2 </big></big>
Fork of Copytables for Firefox. It is open-source.


Shoot entries on the screen. It is open-source.
== <div style="color:#119922; font-weight:bold;">Logic</div> ==


== <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://forallx.openlogicproject.org/ </big></big>


<hr><big><big> !!!! https://context.reverso.net/translation/ </big></big>
Book edited by different groups of people. Its work is under a public license.


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://www.logicmatters.net/tyl/ </big></big>


<hr><big><big> !!!! https://babadum.com/ </big></big>
Book, conditioned distribution allowed.


It's pretty good for educating young polyglots.
== <div style="color:#119922; font-weight:bold;">Artificial Intelligence</div> ==


➡ [https://polyglotclub.com/language.php?tool_id=19 Write a review]
<hr><big><big> !!!! https://www.deepseek.com/ </big></big>


<hr><big><big> !!!! https://github.com/tkrajina/10000sentences </big></big>
One of the top open AI models online. It is open-source.


Sentences from Tatoeba to practice. It is aesthetically same with Anki (I mean copy-paste). It is open-source.
<hr><big><big> !!!! https://chat.qwenlm.ai/ </big></big>


<hr><big><big> !!!! https://www.clozemaster.com/ </big></big>
One of the top open AI models online. It is open-source.


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://gpt4all.io/ </big></big>


➡ [https://polyglotclub.com/language.php?tool_id=18 Write a review]
AI application with several models available for offline use. It is open-source.


<hr><big><big> !! https://www.languageguide.org/ </big></big>
<hr><big><big> !!!! https://chatboxai.app/ </big></big>


Some basic vocabulary.
Client for online and self-host AI services. It is open-source.


<hr><big><big> !! https://babadada.com/ </big></big>
== <div style="color:#119922; font-weight:bold;">International Phonetic Alphabet</div> ==


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


A lot of languages has not been completed yet, without any notice. Also, look out for polyseme mistakes.
The site of the maker. The full IPA chart can be downloaded here. There is also a link to an interactive IPA chart.


➡ [https://polyglotclub.com/language.php?tool_id=20 Write a review]
<hr><big><big> !! https://easypronunciation.com/en/ipa-phonetic-transcription-converters </big></big>


<hr><big><big> https://trielingual.com/ </big></big>
IPA and romanization transcriptions. Very detailed, but there is a limitation for each hour. Its “More Tools” is also noteworthy.


See the related phrases of a word. It is open-source.
<hr><big><big> https://github.com/dmort27/epitran/ </big></big>


<hr><big><big> https://en.wiktionary.org/wiki/Appendix:Swadesh_lists </big></big>
Transcription to IPA. It is open-source. It won't help if you don't know Python.


Swadesh lists are basic vocabulary, initially for linguistic use. But it can be the starting point of vocabulary building for language learners as well.
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://en.wiktionary.org/wiki/Wiktionary:Frequency_lists </big></big>
== <div style="color:#119922; font-weight:bold;">Pronunciation</div> ==


Frequency lists. Make use of it with programs that help to memorise, such as Anki.  
<hr><big><big> !!!! https://lingualibre.org/ </big></big>


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.
Pronunciation data from Wikimedia Commons. Its work is under a public license.


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


Word frequency of top 5000 words.
Dictionary of pronunciation.


== <div style="color:#119922; font-weight:bold;">Etymology</div> ==
➡ [https://polyglotclub.com/language.php?tool_id=3 Write a review]


<hr><big><big> https://etymologeek.com/ </big></big>
<hr><big><big> !! https://phoible.org/ </big></big>


Etymology in European languages.
Phonological data. Its work is under a public license.


== <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> ==
== <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://sourceforge.net/projects/scrabble/ </big></big>
<hr><big><big> https://fsi-languages.yojik.eu/ </big></big>


Scrabble with downloadable dictionaries. 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://gottcode.org/tanglet/ </big></big>
<hr><big><big> https://www.coursera.org/browse/language-learning/ </big></big>


Boggle. It is open-source.
Some super cool courses. This is suggested by RomDasha.


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


Game of finding words on Android. It is open-source.
A little site with useful basic courses of 5 languages with good design.


<hr><big><big> https://billthefarmer.github.io/gurgle/ </big></big>
<hr><big><big> https://en.wikibooks.org/wiki/Subject:Languages </big></big>


A word game 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://github.com/billthefarmer/gridle </big></big>
<hr><big><big> https://ikindalikelanguages.com/ </big></big>


A word game for Android. It is open-source.
Introductions to languages.


<hr><big><big> https://github.com/Magoninho/word-search-puzzle-generator </big></big>
== <div style="color:#119922; font-weight:bold;">Speaking</div> ==


Word search game on command line. It is open-source.
<hr><big><big> !!!! https://youglish.com/ </big></big>


To change the letters in the game, modify the list in “alphabet.py”.
Pronunciation from videos, with a large subtitle frame.


<hr><big><big> https://github.com/yourealwaysbe/forkyz </big></big>
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].


Crosswords on Android. It is open-source.
<hr><big><big> !! https://speechling.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Test</div> ==
Submit the recording and wait for the response. Supported languages are not many.


<hr><big><big> !! https://github.com/Yvee1/hascard </big></big>
➡ [https://polyglotclub.com/language.php?tool_id=2 Write a review]


Test with Markdown files in command line. It is open-source.
<hr><big><big> !! https://ivypanda.com/tongue-twisters </big></big>


<hr><big><big> https://github.com/ismet55555/exam-terminal </big></big>
Try not to hurt yourself when practising.


Test with YAML files in command line. It is open-source.
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”.


You may need to enter full-screen mode, otherwise the program won't work for not having enough space.
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.


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


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://apps.ankiweb.net/ </big></big>


➡ [https://polyglotclub.com/language.php?tool_id=21 Write a review]
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://www.transparent.com/language-resources/tests.html </big></big>
Unfortunately, not free on iOS.


Test your proficiency.
Related resources:


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.
{{Anki-menu}}


<hr><big><big> !! https://www.arealme.com/vocabulary-size-test/en/ </big></big>
There is also [https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/How-to-become-a-polyglot#Flashcard a section of an article] on flashcards.


For testing your vocabulary size.
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.


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://mnemosyne-proj.org/ </big></big>


<hr><big><big> !! https://www.ezglot.com/vocabulary-test.php </big></big>
Flashcards with basic functions. 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/abeleinin/goki </big></big>


== <div style="color:#119922; font-weight:bold;">Reader</div> ==
Flashcards in command-line through TSV or CSV files with ChatGPT support. It is open-source.


<hr><big><big> !! https://mupdf.com/ </big></big>
<hr><big><big> !! https://github.com/proycon/vocage </big></big>


Lightweight PDF Reader for desktops. It is open-source.
Minimalistic flashcards in command-line through TSV files. It is open-source.


Type “man mupdf” in command line to see its shortcuts.
<hr><big><big> https://www.memcode.com/ </big></big>


<hr><big><big> !! https://www.sumatrapdfreader.org/ </big></big>
Flashcards on web. It is open-source.


Reader for Windows. Dark mode and Annotation are available. It is open-source.
<hr><big><big> !! https://github.com/FilippVolodin/ReeePlayer </big></big>


<hr><big><big> !! https://www.libreoffice.org/ </big></big>
Flashcard with video clips. It is open-source.


Editor for many document formats. It is open-source.
<hr><big><big> !! https://github.com/alyssaxuu/carden </big></big>


<hr><big><big> !! https://johnfactotum.github.io/foliate/ </big></big>
Chromium/Chrome addon. It is open-source.


Reader for Linux with features like layout and online translation. It is open-source.
<hr><big><big> !! https://github.com/tema6120/ForgetMeNot </big></big>


<hr><big><big> !! https://librera.mobi/ </big></big>
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.


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


<hr><big><big> !! https://koreader.rocks/ </big></big>
<hr><big><big> !! https://github.com/rh-id/a-flash-deck </big></big>


Reader with a simple user interface for Android. It is open-source.
Flashcards with notification on Android. It is open-source.


<hr><big><big> !! https://memex.garden/ </big></big>
<hr><big><big> https://tadeas.dev/twsr/ </big></big>


Webpage manager, with functions like page annotation. It is open-source.
Flashcard for Tiddly Wiki. It is open-source.


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


RSS feeder for desktop. No pre-installed mainstream media. It is open-source.
<hr><big><big> !! https://codeberg.org/GrimPixel/Fountain </big></big>


If you don't know what RSS is, you can read [https://www.lifewire.com/what-is-an-rss-feed-4684568 this article].
Presentation with TSV in command-line. It is open-source.


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


RSS feeder for Android. It is open-source.
Presentation with Markdown in command-line. It is open-source.


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


Read Wikipedia and some other sites offline. It is open-source.
<hr><big><big> https://peterlevi.com/variety/ </big></big>


== <div style="color:#119922; font-weight:bold;">Image Viewer</div> ==
Wallpaper changer for Linux. It is open-source.


<hr><big><big> !! https://github.com/nomacs/nomacs </big></big>
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:


Image viewer. It is open-source.
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://github.com/atanunq/viu </big></big>
In “words.csv”, change its content.


Image viewer in command-line. It is open-source.
== <div style="color:#119922; font-weight:bold;">Danmaku</div> ==


== <div style="color:#119922; font-weight:bold;">Reading Helper</div> ==
<hr><big><big> https://github.com/luyuhuang/DWords2 </big></big>


<hr><big><big> !! https://vocabhunter.github.io/ </big></big>
Shoot entries on the screen. It is open-source.


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


[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Introduction-to-some-language-tools#Word_segmentation Word segmentation] is missing for Chinese, Japanese, Lao, Thai, Vietnamese.
<hr><big><big> !!!! https://context.reverso.net/translation/ </big></big>


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


Analyse the sentence, find the vocabulary and create Anki flashcards. It is open-source.
<hr><big><big> !!!! https://babadum.com/ </big></big>


<hr><big><big> !! https://comfortreader.rhizomaticdesign.net/ </big></big>
It's pretty good for educating young polyglots.


Streaming reader for Android. It is open-source.
➡ [https://polyglotclub.com/language.php?tool_id=19 Write a review]


<hr><big><big> !! https://github.com/hisakaz0/AutoScrolling </big></big>
<hr><big><big> !!!! https://github.com/tkrajina/10000sentences </big></big>


Autoscrolling for Firefox. Good for practising reading speed. It is open-source.
Sentences from Tatoeba to practice. It is aesthetically same with Anki (I mean copy-paste). It is open-source.


<hr><big><big> !! https://github.com/jpablobr/simple-auto-scroll </big></big>
<hr><big><big> !!!! https://www.clozemaster.com/ </big></big>


Autoscrolling for Chrome. Good for practising reading speed.
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://piro.sakura.ne.jp/xul/_treestyletab.html.en </big></big>
➡ [https://polyglotclub.com/language.php?tool_id=18 Write a review]


Arrange browser tabs in hierarchy. It is open source.
<hr><big><big> !! https://www.languageguide.org/ </big></big>


<hr><big><big> !! https://github.com/gildas-lormeau/SingleFile </big></big>
Some basic vocabulary.


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


There is also a [https://github.com/gildas-lormeau/SingleFile SingleFileZ], which can compress pages.
Visual dictionary. No grammatical genders or pronunciation, suitable for reviewing.


<hr><big><big> https://github.com/Darazaki/Spedread </big></big>
A lot of languages has not been completed yet, without any notice. Also, look out for polyseme mistakes.


Reading speed trainer for Linux. It is open-source.
➡ [https://polyglotclub.com/language.php?tool_id=20 Write a review]


[https://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Introduction-to-some-language-tools#Word_segmentation Word segmentation] is missing for Chinese, Japanese, Lao, Thai, Vietnamese.
<hr><big><big> https://trielingual.com/ </big></big>


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


Reading speed trainer. [https://www.perl.org/get.html Perl] is required. It is open-source.
<hr><big><big> https://en.wiktionary.org/wiki/Appendix:Swadesh_lists </big></big>


To open it, just run “gritz.pl”.
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://polyglotclub.com/wiki/Language/Multiple-languages/Culture/Introduction-to-some-language-tools#Word_segmentation Word segmentation] is missing for Chinese, Japanese, Lao, Thai, Vietnamese.
<hr><big><big> !! https://en.wiktionary.org/wiki/Wiktionary:Frequency_lists </big></big>


You can also modify the source code (don't execute the file, but open it with a file editor), like these:
Frequency lists. Make use of it with programs that help to memorise, such as Anki.


* $font: font name and size.
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.
* $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.
<hr><big><big> !! https://github.com/frekwencja/most-common-words-multilingual </big></big>


* $wpm = 200: default reading speed (words per minute).
Word frequency of top 5000 words.


* button_slower: WPM increment per click.
<hr><big><big> !! https://github.com/rspeer/wordfreq </big></big>
* button_faster: WPM decrement per click.


<hr><big><big> https://github.com/Robbendebiene/Gesturefy </big></big>
Word frequency tool for Python. It is open-source.


Gestures for Firefox. It is open-source.
== <div style="color:#119922; font-weight:bold;">Vocabulary Builder</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://github.com/jzohrab/lute-v3 </big></big>


<hr><big><big> !! https://wikisource.org/wiki/Main_Page </big></big>
Build vocabulary list by adding definitions to words on texts. It is open-source.


Literature in public domain. They can be downloaded.
<hr><big><big> !!!! https://github.com/simjanos-dev/LinguaCafe </big></big>


<hr><big><big> https://www.gutenberg.org/ </big></big>
Build voocabulary lists for some languages on local web. It is open-source.


The largest collections of books in the public domain, mostly in English, though.
<hr><big><big> !!!! https://vocabhunter.github.io/ </big></big>


Android app for downloading books is available at [https://github.com/Pool-Of-Tears/Myne Myne].
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.


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://github.com/FreeLanguageTools/vocabsieve </big></big>


<hr><big><big> !! https://onlinebooks.library.upenn.edu/archives.html </big></big>
Analyse the sentence, find the vocabulary and create Anki flashcards. It is open-source.


List of book collections. Many links are available in “https” now, but appear as “http” on this page.
<hr><big><big> !!!! https://github.com/geajack/Wordology </big></big>


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


<hr><big><big> https://owl.excelsior.edu/ </big></big>
Available for [https://chromewebstore.google.com/detail/wordology/ganonoebdpdnhcbolgkelccfaffgmlpd Chromium] and [https://addons.mozilla.org/en-US/firefox/addon/wordology/ Firefox].


It is not for learning languages, but for how to write and read. Its work is under a public license.
<hr><big><big> !! https://github.com/xxyzz/WordDumb </big></big>


It is teaching about English, so something does not apply to some other languages.
Footnote creator for e-books. It is open-source.


<hr><big><big> https://owl.purdue.edu/owl/purdue_owl.html </big></big>
== <div style="color:#119922; font-weight:bold;">Etymology</div> ==


Another online writing lab.
<hr><big><big> https://etymologeek.com/ </big></big>


<hr><big><big> https://www.theologeek.ch/manuskript/ </big></big>
Etymology in European languages.


Tool for writing stuff. 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> ==


== <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://sourceforge.net/projects/scrabble/ </big></big>


<hr><big><big> !!!! https://www.wiktionary.org/ </big></big>
Scrabble. It is open-source.


Practical, no need to switch dictionaries, translations in many languages are shown together.
<hr><big><big> !! https://gottcode.org/tanglet/ </big></big>


<hr><big><big> !!!! https://www.wordreference.com/ </big></big>
Boggle. It is open-source.


It is really completed.
<hr><big><big> !! https://gottcode.org/connectagram/ </big></big>


<hr><big><big> !!!! https://www.linguee.com/ </big></big>
Connectagram. It is open-source.


It is completed, with example sentences of high quality. You can even find uncommon words with meanings of common words.
<hr><big><big> !! https://gitlab.gnome.org/jrb/crosswords </big></big>


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


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


<hr><big><big> !!!! https://iate.europa.eu/ </big></big>
Game of finding words on Android. It is open-source.


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


<hr><big><big> !! https://glosbe.com/ </big></big>
A word game on Android. It is open-source.


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


<hr><big><big> !!!! http://goldendict.org/ </big></big>
A word game on Android. It is open-source.


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://github.com/Magoninho/word-search-puzzle-generator </big></big>


You can search the word by selecting it and listen to Forvo pronunciation. You can also add dictionary websites.
Word search game on command-line. It is open-source.


<hr><big><big> !!!! https://github.com/pnlpal/dictionaries </big></big>
To change the letters in the game, modify the list in “alphabet.py”.


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


<hr><big><big> !!!! https://mouse-dictionary.netlify.app/ </big></big>
Crosswords on Android. It is open-source.


Browser add-on for searching local dictionary files. It is open-source.
<hr><big><big> !! https://github.com/devarshi16/HangMan </big></big>


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.
Hangman. It is open-source.


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


Different from other advocates for donating to Ukraine, they have an offline dictionary. It is open-source.
<hr><big><big> !! https://gemelo.org/grabagram/ </big></big>


This service has been having the background of political activism (pro-Ukraine).
Anagram on mobile. It is open-source. Code at [https://github.com/bpeel/verda-sxtelo its github repository].


<hr><big><big> https://github.com/rdoeffinger/Dictionary </big></big>
== <div style="color:#119922; font-weight:bold;">Quiz</div> ==


Offline Wiktionary with custom dictionary support on Android. Its search results are easy to read for robots like you. It is open-source.
<hr><big><big> !! https://github.com/Yvee1/hascard </big></big>


== <div style="color:#119922; font-weight:bold;">Translator</div> ==
Quizzes in Markdown files in command-line. It is open-source.


<hr><big><big> !! https://crow-translate.github.io/ </big></big>
<hr><big><big> !! https://github.com/ismet55555/exam-terminal </big></big>


Translator with multiple engine support. It is open-source.
Quizzes in YAML files in command-line. It is open-source.


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


Translator for Android. It is open-source.
<hr><big><big> !! https://github.com/JeromeSchmied/crablit </big></big>


<hr><big><big> !! https://github.com/FilipePS/Traduzir-paginas-web </big></big>
Quizzes TSV or other files in command-line. It is open-source.


Webpage translation for Firefox. It is open-source.
<hr><big><big> !! https://codeberg.org/GrimPixel/Quiz_Grid </big></big>


<hr><big><big> !! https://simple-translate.sienori.com/ </big></big>
Generate HTML tooltip quiz from TSV files. It is open-source.


Browser add-on for Google Translate with detailed information. It is open-source.
== <div style="color:#119922; font-weight:bold;">Test</div> ==


<hr><big><big> https://www.soimort.org/translate-shell/ </big></big>
<hr><big><big> https://lingua.com/ </big></big>


Command-line translator from different sources. It is open-source.
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://www.apertium.org/ </big></big>
➡ [https://polyglotclub.com/language.php?tool_id=21 Write a review]


It is open-source.
<hr><big><big> !! https://www.transparent.com/language-resources/tests.html </big></big>


[https://www.youtube.com/watch?v=2atSy3Zfiec A video about it].
Test your proficiency.


<hr><big><big> https://www.argosopentech.com/ </big></big>
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.


It is open-source.
<hr><big><big> !! https://www.arealme.com/vocabulary-size-test/en/ </big></big>


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


<hr><big><big> !!!! https://cooljugator.com/ </big></big>
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.


Conjugation and some declension.
<hr><big><big> !! https://www.ezglot.com/vocabulary-test.php </big></big>


<hr><big><big> !!!! https://www.verbix.com/ </big></big>
Test your vocabulary size. It's faster and maybe not so accurate. The result is at an inconspicuous corner.


Conjugation.
== <div style="color:#119922; font-weight:bold;">Reader</div> ==


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


<hr><big><big> !! http://www.passion4teq.com/apps/ </big></big>
PDF reader and editor. It is open-source.


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


== <div style="color:#119922; font-weight:bold;">Number</div> ==
Lightweight PDF reader for desktops. It is open-source.
<hr><big><big> https://codeberg.org/GrimPixel/Numeration </big></big>


Program to practise reading numbers. It is open-source.
Type “man mupdf” in command-line to see its shortcuts.


In progress. It can see major progresses during school holidays. Introduction: [[Language/Multiple-languages/Vocabulary/Numeration-Tutorial]].
<hr><big><big> !! https://www.sumatrapdfreader.org/ </big></big>


➡ [https://polyglotclub.com/language.php?tool_id=14 Write a review]
PDF reader for Windows. Dark mode and Annotation are available. It is open-source.


<hr><big><big> !! https://www.languagesandnumbers.com/numbering-systems/ </big></big>
<hr><big><big> !! https://github.com/max-kammerer/orion-viewer </big></big>


Rules of writing numbers, more concise than Wikipedia's entries.
PDF reader for Android. It is open-source.


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


<hr><big><big> https://languagetool.org/ </big></big>
Editor for many document formats. It is open-source.


It supports several languages, but works well on the few. It is open-source.
<hr><big><big> !! https://johnfactotum.github.io/foliate/ </big></big>


[https://www.youtube.com/watch?v=KnQCHo14gOU A video about the rule editor].
Reader for Linux with features like layout and online translation. It is open-source.


== <div style="color:#119922; font-weight:bold;">Audio Player</div> ==
<hr><big><big> !! https://librera.mobi/ </big></big>


<hr><big><big> !! https://audacious-media-player.org/ </big></big>
Reader for Android. It is open-source.


Lightweight audio player for desktops. It is open-source.
<hr><big><big> !! https://koreader.rocks/ </big></big>


<hr><big><big> !! https://www.strawberrymusicplayer.org/ </big></big>
Reader with a simple user interface for Android. It is open-source.


Music player with many features. It is open-source.
<hr><big><big> !! https://www.kiwix.org/ </big></big>


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


Music player in command-line. It is open-source.
== <div style="color:#119922; font-weight:bold;">RSS Tool</div> ==


<hr><big><big> !! https://github.com/enricocid/Music-Player-GO </big></big>
<hr><big><big> !! https://greasyfork.org/en/scripts/373252-rss-show-site-all-rss </big></big>


Lightweight audio player for Android with comfortable UI design. It is open-source.
User script for showing RSS feeds of a website. It is open-source.


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


<hr><big><big> !!!! https://www.listeningpractice.org/ </big></big>
<hr><big><big> !! https://www.feedflow.dev/ </big></big>


To practice listening. Voices are from volunteers and their qualities vary. It also has conjugation exercises. Its work is under public licenses.
Simple RSS feeder. It is open-source.


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).
<hr><big><big> !! https://lzone.de/liferea </big></big>


<hr><big><big> !! https://globalstorybooks.net/ </big></big>
RSS feeder for Linux. It is open-source.


Stories in many languages translated from [https://africanstorybook.org/ African Storybook]. Its work is under a public license.
<hr><big><big> !! https://github.com/martinrotter/rssguard </big></big>


<hr><big><big> !! https://www.easy-languages.org/ </big></big>
RSS feeder for desktop. It is open-source.


Street interview videos with embedded subtitles. Real and fun.
<hr><big><big> !! https://newsboat.org/ </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.
RSS feeder in command-line. It is open-source.


<hr><big><big> !! https://librivox.org/ </big></big>
<hr><big><big> !! https://github.com/readrops/Readrops </big></big>


Books read by volunteers. Its work is under public licenses.
RSS feeder for Android. It is open-source.


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


Listen to songs and fill in the blanks of lyrics.
<hr><big><big> !! https://www.cyberseo.net/public-rss-feed-catalogue/ </big></big>


<hr><big><big> !! https://www.captionpop.com/ </big></big>
Catalogue of RSS feeds.


Watch videos and learn with subtitles.
== <div style="color:#119922; font-weight:bold;">Image Viewer</div> ==


<hr><big><big> !! https://rhinospike.com/ </big></big>
<hr><big><big> !! https://github.com/nomacs/nomacs </big></big>


Listen to recordings.
Image viewer. It is open-source.


<hr><big><big> !! https://audio-lingua.eu/ </big></big>
<hr><big><big> !! https://github.com/atanunq/viu </big></big>


Listening materials with CEFRL levels. Its work is under public licenses.
Image viewer in command-line. It is open-source.


It doesn't have transcripts, so speech-recognition is required.
== <div style="color:#119922; font-weight:bold;">Webpage Tool</div> ==


== <div style="color:#119922; font-weight:bold;">Audio Tool</div> ==
<hr><big><big> !! https://piro.sakura.ne.jp/xul/_treestyletab.html.en </big></big>


<hr><big><big> !! https://codeberg.org/tenacityteam/tenacity </big></big>
Arrange browser tabs in hierarchy. It is open source.


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


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


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://github.com/lapwat/papeer </big></big>


<hr><big><big> https://www.fon.hum.uva.nl/praat/ </big></big>
Save webpages in different formats in command-line. It is open-source.


With this one, you can say you are “studying” pronunciation.
<hr><big><big> https://github.com/OlegWock/anori </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].
Browser extension for customised new tab with Anki support. It is open-source.


== <div style="color:#119922; font-weight:bold;">Text-to-Speech</div> ==
<hr><big><big> https://github.com/zimocode/smartupGesturefy </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>
Gestures for some Browsers. It is open-source.


TTS for Linux. It is open-source.
== <div style="color:#119922; font-weight:bold;">Speed Reader</div> ==


<hr><big><big> !!!! https://www.cwu.edu/central-access/reader </big></big>
<hr><big><big> https://github.com/Darazaki/Spedread </big></big>


A TTS program. It is open-source.
Reading speed trainer for Linux. It is open-source.


<hr><big><big> !!!! http://www.cross-plus-a.com/balabolka.htm </big></big>
<hr><big><big> !! https://github.com/pasky/speedread </big></big>


A TTS program with support other than SAPI 5.
Reading speed trainer. Perl is required. It is open-source.


<hr><big><big> !!!! https://github.com/Danesprite/tts-util-app </big></big>
<hr><big><big> !! https://github.com/nemanjan00/uniread </big></big>


Text-to-Speech for Android. It is open-source.
Speed reader with e-book support. It is open-source.


<hr><big><big> !! https://readaloud.app/ </big></big>
<hr><big><big> !! https://github.com/Quantum-mutnauQ/Fast_Reader_GTK </big></big>


Browser add-on. It is open-source.
Speed reader for Linux. It is open-source.


<hr><big><big> !! https://codeberg.org/GrimPixel/AlteringTTS </big></big>
<hr><big><big> !! https://comfortreader.rhizomaticdesign.net/ </big></big>


A little program to generate audio files with altering TTS voices. It is open-source.
Streaming reader for Android. 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.
<hr><big><big> !! https://github.com/FP22FD/auto-scroll-down-chrome-extension </big></big>


Currently only Google Translate is supported. Offline engines on the way.
Autoscrolling for Chromium/Chrome. Good for practising reading speed.


== <div style="color:#119922; font-weight:bold;">Speech Recognition</div> ==
<hr><big><big> !! https://github.com/hisakaz0/AutoScrolling </big></big>


<hr><big><big> !!!! https://github.com/audapolis/audapolis </big></big>
Autoscrolling for Firefox. Good for practising reading speed. It is open-source.


It transcribes audio. It is open-source.
== <div style="color:#119922; font-weight:bold;">Book Catalogue</div> ==


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


Turn audio into texts, powered by Google.  
Book catalogue on Android. It is open-source.


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


Turn audio into texts, powered by IBM Watson.
<hr><big><big> !! https://wikisource.org/wiki/Main_Page </big></big>


== <div style="color:#119922; font-weight:bold;">Example Sentence</div> ==
Literature in public domain. They can be downloaded.


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


Example sentences in many languages. Its work is under public licenses.
The largest collections of books in the public domain, mostly in English, though.


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.
Android app for downloading books is available at [https://github.com/Pool-Of-Tears/Myne Myne].


If you want to translate, please translate sentences with audio first, because the translations may appear on sites which provide translations of audio.
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://deskell.sketchengine.co.uk/run.cgi/skell </big></big>
== <div style="color:#119922; font-weight:bold;">Writing</div> ==


Sketch from a large of text corpus.
<hr><big><big> https://owl.excelsior.edu/ </big></big>


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


<hr><big><big> !!!! https://weblate.org/ </big></big>
It is teaching about English, so something does not apply to some other languages.


Website for localisation. You can easily find parallel texts. It is open-source.
<hr><big><big> https://owl.purdue.edu/owl/purdue_owl.html </big></big>


<hr><big><big> !! http://sublearning.com/ </big></big>
Another online writing lab.


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://www.theologeek.ch/manuskript/ </big></big>


<hr><big><big> https://www.manualslib.com/ </big></big>
Tool for writing stuff. It is open-source.


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


== <div style="color:#119922; font-weight:bold;">Parse Tree</div> ==
Tool for writing on Android. It is open-source.


<hr><big><big> !! https://sourceforge.net/projects/treeform/ </big></big>
<hr><big><big> https://github.com/Wavesonics/hammer-editor </big></big>


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


[https://www.youtube.com/watch?v=A5DhtQgrlTE A video about it].
== <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://ltc.sourceforge.io/ </big></big>
<hr><big><big> !!!! https://www.wiktionary.org/ </big></big>


A different one to draw parse trees. It is open-source.
Practical, no need to switch dictionaries, translations in many languages are shown together.


== <div style="color:#119922; font-weight:bold;">Text Memorization</div> ==
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://github.com/zg/text-memorize </big></big>
<hr><big><big> !!!! https://www.wordreference.com/ </big></big>


For memorizing text.
It is really completed.


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://www.linguee.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Phrasebook</div> ==
It is completed, with example sentences of high quality. You can even find uncommon words with meanings of common words.


<hr><big><big> !!!! https://www.funeasylearn.com/ </big></big>
<hr><big><big> !!!! https://bab.la/ </big></big>


It provides apps for both phrase and vocabulary.
It is completed for several languages.


<hr><big><big> !! https://www.loecsen.com/ </big></big>
<hr><big><big> !!!! https://iate.europa.eu/ </big></big>


It supports many languages, and it is detailed.
Terminology dictionary of European Union. That is to say, what you search should be a term.


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


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


Actually a few more than 50 languages. You can also have a test there.
== <div style="color:#119922; font-weight:bold;">Dictionary Client</div> ==


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


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


It has not only the world clock for every city, but also many other features, such as calendars with festivals of most countries.
You can search the word by selecting it and listen to Forvo pronunciation. You can also add dictionary websites.


== <div style="color:#119922; font-weight:bold;">Weather</div> ==
<hr><big><big> !!!! https://github.com/farfromrefug/OSS-Dict </big></big>


<hr><big><big> !! https://github.com/chubin/wttr.in </big></big>
Offline dictionary in SLOB format. It is open-source.


Weather program in command line. It is open-source.
<hr><big><big> !!!! https://github.com/pnlpal/dictionaries </big></big>


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


Weather program for Android. It is open-source.
<hr><big><big> !!!! https://mouse-dictionary.netlify.app/ </big></big>


<hr><big><big> !! https://weather.pd-dev.xyz/ </big></big>
Browser add-on for searching local dictionary files. It is open-source.


Weather program with Android version. 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://www.ventusky.com/ </big></big>
<hr><big><big> https://crissium.github.io/SilverDict/ </big></big>


A lot of things about meteorology.
Web version of GoldenDict. It is open-source.


<hr><big><big> !! https://earth.nullschool.net/ </big></big>
== <div style="color:#119922; font-weight:bold;">Translation</div> ==


Wind, weather, ocean conditions.
<hr><big><big> !! https://invent.kde.org/office/crow-translate </big></big>


<hr><big><big> !! https://waqi.info/ </big></big>
Translator with multiple engine support. It is open-source.


Air condition around the world.
<hr><big><big> !! https://invent.kde.org/office/crow-translate </big></big>


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


<hr><big><big> !! https://www.italki.com/ </big></big>
<hr><big><big> https://www.soimort.org/translate-shell/ </big></big>


The most popular language learning community by now. It also pushes helpful articles written by teachers.
Command-line translator from different sources. It is open-source.


<hr><big><big> !! https://www.tolearnfree.com/free-educational-sites.php </big></big>
<hr><big><big> !! https://github.com/Bnyro/TranslateYou </big></big>


The design of the webpages is old-fashioned, but it has a lot of content, including little tests.
Translator for Android. It is open-source.


Its French version has something more.
<hr><big><big> !! https://linguister.io/ </big></big>


<hr><big><big> !! https://polyglotclub.com/ </big></big>
Webpage translation with sentence dictionaries. It is open-source.


There are some rare features of it, such as Wiki lessons, Events. It adopts ISO 639-3, almost every language is included here.
<hr><big><big> https://github.com/ttop32/MouseTooltipTranslator </big></big>


== <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> ==
Translator for Chromium and other Browsers with mouse hovering. It is open-source.


<hr><big><big> https://hinative.com/ </big></big>
This extension sets AltGr key to translate.


Ask and answer with people around the world.
== <div style="color:#119922; font-weight:bold;">Transliteration</div> ==


In some channels, questions are too many, answer rates are low. Try asking at Polyglot Club.
<hr><big><big> !! https://codeberg.org/GrimPixel/Transliteration </big></big>


Ask in parallel text in case the respondent doesn't understand your formulation.
Transliterator. It is at the beginning phase. It is open-source.


<hr><big><big> https://stackexchange.com/sites#culturerecreation </big></big>
== <div style="color:#119922; font-weight:bold;">Conjugation</div> ==


One of the most popular Q&A site.
<hr><big><big> !!!! https://cooljugator.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Language Exchange</div> ==
Conjugation and some declension.


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


Find language exchange partners online.
Conjugation.


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


Talking with people.
<hr><big><big> !! http://www.passion4teq.com/apps/ </big></big>


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


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


<hr><big><big> !! https://cryptpad.fr/ </big></big>
Program to practise reading numbers. It is open-source.


Cloud office suit. Zero knowledge. It is open-source.
In progress. It can see major progresses during school holidays. Introduction: [[Language/Multiple-languages/Vocabulary/Numeration-Tutorial]].


It's also great for language partners to do something together.
➡ [https://polyglotclub.com/language.php?tool_id=14 Write a review]


== <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.languagesandnumbers.com/numbering-systems/ </big></big>


<hr><big><big> https://blogs.transparent.com/ </big></big>
Rules of writing numbers, more concise than Wikipedia's entries.


There are periodically good contents being presented.
== <div style="color:#119922; font-weight:bold;">Grammar Checker</div> ==


<hr><big><big> https://www.thoughtco.com/languages-4133094 </big></big>
<hr><big><big> https://languagetool.org/ </big></big>


Languages are fewer than Transparent's, and so do the update frequency. But its quality is still high.
It supports several languages, but works well on the few. It is open-source.


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


Blogs about cultures. There are also [https://blog.feedspot.com/culture_magazines/ magazines].
== <div style="color:#119922; font-weight:bold;">Audio Player</div> ==


== <div style="color:#119922; font-weight:bold;">Lyrics</div> ==
<hr><big><big> !! https://audacious-media-player.org/ </big></big>


<hr><big><big> !! https://www.musixmatch.com/ </big></big>
Lightweight audio player for desktops. It is open-source.


Lyrics and their translations.
<hr><big><big> !! https://www.strawberrymusicplayer.org/ </big></big>


<hr><big><big> !! https://lyricstranslate.com/ </big></big>
Audio manager with many features. It is open-source.


Lyrics and their translations.
<hr><big><big> !! https://quodlibet.readthedocs.io/ </big></big>


This service has been having the background of political activism (pro-Ukraine).
Simple audio manager. It is open-source.


== <div style="color:#119922; font-weight:bold;">Subtitle</div> ==
<hr><big><big> !! https://codeberg.org/coleblvck/AntiiQ </big></big>


<hr><big><big> !! https://www.opensubtitles.org/ </big></big>
Audio player for Android with speed control. It is open-source.


One of the most popular subtitle sites. Subtitles in European languages are easier to find.
<hr><big><big> !! https://musikcube.com/ </big></big>


➡ [https://polyglotclub.com/language.php?tool_id=9 Write a review]
Audio player in command-line. It is open-source.


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


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


<hr><big><big> !! https://getcaption.co/ </big></big>
Video player with fast response. 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://www.smplayer.info/ </big></big>


<hr><big><big> !! https://github.com/FunkyMuse/SubHub </big></big>
It is a frontend of [http://www.mplayerhq.hu/design7/news.html MPlayer] and can display two subtitles. It is open-source.


For downloading subtitles on Android. It is open-source.
What a good name of this program.


<hr><big><big> !! https://bonigarcia.github.io/dualsub/index.html </big></big>
<hr><big><big> !! https://github.com/moneytoo/Player </big></big>


It can help to merge two subtitles. It may crash at the second time. It is open-source.
Video player for Android. It is open-source.


<hr><big><big> !! https://www.smplayer.info/ </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> ==


This player can display two subtitles. It is open-source.
<hr><big><big> !!!! https://www.listeningpractice.org/ </big></big>


What a good name of this program.
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> !! http://subs2srs.sourceforge.net/ </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).


Turn subtitles into flashcards. It is open-source.
<hr><big><big> !! https://globalstorybooks.net/ </big></big>


[https://www.youtube.com/watch?v=4AvgqVGHP8A A video about it].
Stories in many languages translated from [https://africanstorybook.org/ African Storybook]. Its work is under a public license.


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


<hr><big><big> !! http://www.abyznewslinks.com/ </big></big>
Street interview videos with embedded subtitles. Real and fun.


Links to news websites.
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.


Some TV have shows for free, some of which even with subtitles.
<hr><big><big> !! https://librivox.org/ </big></big>


<hr><big><big> !! https://gitlab.com/magnolia1234/bypass-paywalls-chrome-clean / https://gitlab.com/magnolia1234/bypass-paywalls-firefox-clean</big></big>
Books read by volunteers. Its work is under public licenses.


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


<hr><big><big> https://liveuamap.com/ </big></big>
Listen to songs and fill in the blanks of lyrics.


Live map with news from social media.
<hr><big><big> !! https://www.captionpop.com/ </big></big>


== <div style="color:#119922; font-weight:bold;">Radio & Podcast</div> ==
Watch videos and learn with subtitles.


<hr><big><big> !! https://www.radio-browser.info/ </big></big>
<hr><big><big> !! https://lingualibre.org/ </big></big>


A list of internet radio stations. You can find clients in “Apps”, some of which are open-source.
Recordings. Its work is under a public license.


I prefer two stations: Public Domain Classical, Public Domain Jazz. Pleasing names.
<hr><big><big> !! https://rhinospike.com/ </big></big>


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


Search Engine of podcasts.
<hr><big><big> !! https://audio-lingua.ac-versailles.fr/ </big></big>


<hr><big><big> !! https://gpodder.github.io/ </big></big>
Listening materials with CEFRL levels. Its work is under public licenses.


Podcast player for desktop. It is open-source.
It doesn't have transcripts, so speech-recognition is required.


<hr><big><big> https://github.com/xgi/castero </big></big>
== <div style="color:#119922; font-weight:bold;">Audio & Video Tool</div> ==


Podcast client in command line. It is open-source.
<hr><big><big> !! https://tenacityaudio.org/ </big></big>


<hr><big><big> !! https://antennapod.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.


Podcast player with search engine for Android. It is open-source.
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].


== <div style="color:#119922; font-weight:bold;">Live & Video</div> ==
<hr><big><big> !! https://obsproject.com/ </big></big>


<hr><big><big> !! https://mpv.io/ </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.


Video player with fast response. It is open-source.
<hr><big><big> https://www.fon.hum.uva.nl/praat/ </big></big>


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


Database of Online TV. It is under a public license.
[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].


<hr><big><big> !! https://livetvcentral.com/ </big></big>
== <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://github.com/ideasman42/nerd-dictation </big></big>
 
TTS for Linux. It is open-source.
 
<hr><big><big> !!!! https://www.cwu.edu/student-life/student-support/central-access/resources/reader.php </big></big>
 
A TTS program. It is open-source.
 
<hr><big><big> !!!! http://www.cross-plus-a.com/balabolka.htm </big></big>
 
A TTS program with support other than SAPI 5.
 
<hr><big><big> !!!! https://github.com/Danesprite/tts-util-app </big></big>
 
Text-to-Speech for Android. It is open-source.
 
<hr><big><big> !! https://readaloud.app/ </big></big>
 
Browser add-on. It is open-source.
 
<hr><big><big> !! https://github.com/suno-ai/bark </big></big>
 
Text-to-Speech model. It is open-source.
 
<hr><big><big> !! https://codeberg.org/GrimPixel/Altering_TTS </big></big>
 
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.
 
== <div style="color:#119922; font-weight:bold;">Speech Recognition</div> ==
 
<hr><big><big> !!!! https://github.com/audapolis/audapolis </big></big>
 
It transcribes audio. It is open-source.
 
<hr><big><big> !!!! https://www.speechtexter.com/ </big></big>
 
Turn audio into texts, powered by Google.
 
<hr><big><big> !!!! https://speech-to-text-demo.ng.bluemix.net/ </big></big>
 
Turn audio into texts, powered by IBM Watson.
 
== <div style="color:#119922; font-weight:bold;">Example Sentence</div> ==
 
<hr><big><big> !!!! https://tatoeba.org/ </big></big>
 
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.
 
<hr><big><big> !! https://deskell.sketchengine.co.uk/run.cgi/skell </big></big>
 
Sketch from a large of text corpus.
 
== <div style="color:#119922; font-weight:bold;">Parallel Text</div> ==
 
<hr><big><big> !!!! https://weblate.org/ </big></big>
 
Website for localisation. You can easily find parallel texts. It is open-source.
 
<hr><big><big> !! http://sublearning.com/ </big></big>
 
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://www.manualslib.com/ </big></big>
 
Manuals. Some of them are in multiple languages. You can also find their German, Spanish, French domains at the bottom of the page.
 
== <div style="color:#119922; font-weight:bold;">Parse Tree</div> ==
 
<hr><big><big> !! https://sourceforge.net/projects/treeform/ </big></big>
 
A tool to draw parse trees and have a better understanding of sentence structures. It is open-source.
 
[https://www.youtube.com/watch?v=A5DhtQgrlTE A video about it].
 
<hr><big><big> !! https://ltc.sourceforge.io/ </big></big>
 
A different one to draw parse trees. It is open-source.
 
== <div style="color:#119922; font-weight:bold;">Text Memorization</div> ==
 
<hr><big><big> !! https://codeberg.org/GrimPixel/Cloze_Test </big></big>
 
Take cloze tests from texts, sentence by sentence. It is open-source.
 
The problem of spaCy and Python 3.12.4 is still to be fixed.
 
== <div style="color:#119922; font-weight:bold;">Phrasebook</div> ==
 
<hr><big><big> !!!! https://www.funeasylearn.com/ </big></big>
 
It provides apps for both phrase and vocabulary.
 
<hr><big><big> !! https://www.loecsen.com/ </big></big>
 
It supports many languages, and it is detailed.
 
<hr><big><big> !! https://www.50languages.com/ </big></big>
 
Actually a few more than 50 languages. You can also have a test there.
 
== <div style="color:#119922; font-weight:bold;">Calendar & Clock</div> ==
 
<hr><big><big> !! https://github.com/PaskoZhelev/holidayz-app </big></big>
 
View holidays on Android. It is open-source.
 
It can also be downloaded from [https://f-droid.org/en/packages/com.MNPDigital.holidayz/ F-Droid].
 
<hr><big><big> !! https://theknight.co.uk/ </big></big>
 
Clock widget on Linux. It is open-source.
 
<hr><big><big> !! https://www.timeanddate.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.
 
== <div style="color:#119922; font-weight:bold;">Weather</div> ==
 
<hr><big><big> !! https://github.com/chubin/wttr.in </big></big>
 
Weather program in command-line. It is open-source.
 
<hr><big><big> !! https://github.com/woheller69/omweather </big></big>
 
Weather program for Android. It is open-source.
 
<hr><big><big> !! https://www.ventusky.com/ </big></big>
 
A lot of things about meteorology.
 
<hr><big><big> !! https://earth.nullschool.net/ </big></big>
 
Wind, weather, ocean conditions.
 
<hr><big><big> !! https://waqi.info/ </big></big>
 
Air condition around the world.
 
== <div style="color:#119922; font-weight:bold;">Community</div> ==
 
<hr><big><big> !! https://www.italki.com/ </big></big>
 
The most popular language learning community by now. It also pushes helpful articles written by teachers.
 
<hr><big><big> !! https://www.tolearnfree.com/free-educational-sites.php </big></big>
 
The design of the webpages is old-fashioned, but it has a lot of content, including little tests.
 
Its French version has something more.
 
<hr><big><big> !! https://polyglotclub.com/ </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.
 
== <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://hinative.com/ </big></big>
 
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.
 
<hr><big><big> https://stackexchange.com/sites#culturerecreation </big></big>
 
One of the most popular Q&A site.
 
== <div style="color:#119922; font-weight:bold;">Language Exchange</div> ==
 
<hr><big><big> !! https://conversationexchange.com/ </big></big>
 
Find language exchange partners online.
 
<hr><big><big> !! https://www.lingbe.com/ </big></big>
 
Talking with people.
 
<hr><big><big> !! https://mylanguageexchange.com/ </big></big>
 
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://cryptpad.fr/ </big></big>
 
Cloud office suit. Zero knowledge. It is open-source.
 
It's also great for language partners to do something together.
 
== <div style="color:#119922; font-weight:bold;">Chat</div> ==
 
<hr><big><big> !! https://pidgin.im/ </big></big>
 
Chat client that supports multiple protocols through plug-ins. It is open-source.
 
<hr><big><big> !! https://gajim.org/ </big></big>
 
XMPP client on desktop. It is open-source.
 
<hr><big><big> !! https://codeberg.org/iNPUTmice/Conversations </big></big>
 
XMPP client on Android. It is open-source.
 
<hr><big><big> https://github.com/paulfariello/aparte </big></big>
 
XMPP client in command-line. It is open-source.
 
<hr><big><big> !! https://github.com/SrainApp/srain </big></big>
 
IRC client on desktop. It is open-source.
 
<hr><big><big> https://github.com/osa1/tiny </big></big>
 
IRC client in command-line. It is open-source.
 
== <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://subripper.com/ </big></big>
 
Download subtitles form many [https://subripper.com/sites websites].
 
<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://github.com/FunkyMuse/SubHub </big></big>
 
Subtitle downloader on Android. 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].
 
<hr><big><big> !!!! https://github.com/garywill/multi-subs-yt </big></big>
 
Display multiple subtitles on YouTube.
 
<hr><big><big> !! https://github.com/jdepoix/youtube-transcript-api </big></big>
 
YouTube caption downloader in command-line. It is open-source.
 
== <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/gilcu3/hullcaster </big></big>
 
Podcast client in command-line. It is open-source.
 
<hr><big><big> !! https://antennapod.org/ </big></big>
 
Podcast player for Android with playback speed change and rewind 10s. 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://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.


The most complete list of worldwide online TV channels.
== <div style="color:#119922; font-weight:bold;">General Knowledge</div> ==


Many links are dead, but the live stream is still available somewhere else in many of these sites.
<hr><big><big> https://www.britannica.com/ </big></big>


<hr><big><big> !! https://www.downthemall.org/ </big></big>
A comprehensive encyclopedia.


Link and image downloader. It is open-source.
== <div style="color:#119922; font-weight:bold;">Educational Resources</div> ==


<hr><big><big> !! https://github.com/yt-dlp/yt-dlp </big></big>
<hr><big><big> https://oercommons.org/ </big></big>


Video downloader in command line. It is open-source.
Educational resources search engine. Its contents are under public licenses.


<hr><big><big> https://similarchannels.com/ </big></big>
<hr><big><big> https://oasis.geneseo.edu/index.php </big></big>


It can find similar YouTube channels.
Educational resources. Its contents are under public licenses.


== <div style="color:#119922; font-weight:bold;">Language Information</div> ==
== <div style="color:#119922; font-weight:bold;">Map</div> ==


<hr><big><big> https://www.omniglot.com/ </big></big>
<hr><big><big> !! https://www.openstreetmap.org/ </big></big>


It provides information about basic knowledge of many languages. Many “Alphabet and Pronunciation” lessons on this site are from there.
Another map site. You can even download them. It is open-source.


➡ [https://polyglotclub.com/language.php?tool_id=11 Write a review]
There is [https://www.youtube.com/watch?v=A_v7HrDJfyk a video about its modification with Inkscape].


<hr><big><big> https://glottolog.org/ </big></big>
<hr><big><big> !! https://marble.kde.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.
Alternative to Google Earth. It is open-source.


<hr><big><big> https://www.scriptsource.org/ </big></big>
<hr><big><big> !! https://organicmaps.app/ </big></big>


Information of scripts. Its work is under a public license.
Offline maps for mobile with OpenStreetMap data. It is open-source.


<hr><big><big> https://www.muturzikin.com/countries.htm </big></big>
<hr><big><big> !! https://ontheworldmap.com/ </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://libguides.humboldt.edu/openedu/ </big></big>
 
Educational resources including geography, history and sociology. When you have learned such subjects, you will have insights on a culture or civilisation.
 
== <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.
Downloadable maps. It even includes cities. I don't expect them to be up-to-date.
Line 1,617: Line 1,964:


Guide of travelling cities.
Guide of travelling cities.
This service has been having the background of political activism (pro-Ukraine).


<hr><big><big> https://www.cia.gov/the-world-factbook/ </big></big>
<hr><big><big> https://www.cia.gov/the-world-factbook/ </big></big>
Line 1,713: Line 2,058:


Resources about religions.
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> ==
== <div style="color:#119922; font-weight:bold;">Epic</div> ==


<hr><big><big> https://en.wikipedia.org/wiki/List_of_epic_poems </big></big>
<hr><big><big> https://en.wikipedia.org/wiki/List_of_epic_poems </big></big>
Epics.


== <div style="color:#119922; font-weight:bold;">Geography</div> ==
== <div style="color:#119922; font-weight:bold;">Geography</div> ==
Line 1,737: Line 2,098:
Flag identifier.
Flag identifier.


<hr><big><big> https://www.geoguessr.com/seterra/ </big></big>
<hr><big><big> https://worldledaily.com/ </big></big>


Quizzes.
Street view quizzes.


<hr><big><big> https://www.geographynow.com/ </big></big>
<hr><big><big> https://virtualvacation.us/ </big></big>


Videos about world geography. You can expect political correctness.
Street view videos with quizzes.


== <div style="color:#119922; font-weight:bold;">Music</div> ==
== <div style="color:#119922; font-weight:bold;">Music</div> ==
Line 1,764: Line 2,125:


== <div style="color:#119922; font-weight:bold;">Art</div> ==
== <div style="color:#119922; font-weight:bold;">Art</div> ==
<hr><big><big> !! http://www.artcyclopedia.com/ </big></big>
Links to artworks.


<hr><big><big> !! https://www.wikiart.org/ </big></big>
<hr><big><big> !! https://www.wikiart.org/ </big></big>


All kinds of artwork around the world.
All kinds of artwork around the world.
This service has been having the background of political activism (pro-Ukraine).


== <div style="color:#119922; font-weight:bold;">Dance</div> ==
== <div style="color:#119922; font-weight:bold;">Dance</div> ==
Line 1,803: Line 2,158:
Multiplayer 3D tabletop games. Still incomplete currently. It is open-source.
Multiplayer 3D tabletop games. Still incomplete currently. It is open-source.


Assets can be found at https://codeberg.org/GrimPixel/Tabletop-Club-Assets. Download and put it into the “assets” folder and then load the game. The game may crash if many textures are loaded currently.
<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>
<hr><big><big> !! https://www.gnu.org/software/xboard/ </big></big>
Line 1,864: Line 2,221:


== <div style="color:#119922; font-weight:bold;">Name </div> ==
== <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>
<hr><big><big> !! https://www.behindthename.com/ </big></big>
Line 1,982: Line 2,347:


You can go to its “stuff” and search by Unicode characters.
You can go to its “stuff” and search by Unicode characters.
<hr><big><big> https://github.com/sdushantha/fontpreview </big></big>
Font previewer in command-line. It is open-source.


== <div style="color:#119922; font-weight:bold;">Optical Character Recognition</div> ==
== <div style="color:#119922; font-weight:bold;">Optical Character Recognition</div> ==
Line 2,007: Line 2,376:
<hr><big><big> !! http://www.polyglot3000.com/ </big></big>
<hr><big><big> !! http://www.polyglot3000.com/ </big></big>


It identifies languages.
Language identifier.
 
<hr><big><big> https://github.com/cisnlp/GlotLID </big></big>
 
Language identifier in command-line. It is open-source.


== <div style="color:#119922; font-weight:bold;">Resource Links</div> ==
== <div style="color:#119922; font-weight:bold;">Resource Links</div> ==
Line 2,019: Line 2,392:


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>

Latest revision as of 10:13, 1 July 2025

Free Internet Resources for Polyglots - 2025
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 --[edit | edit source]

Advices[edit | edit source]

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. There are resources on privacy:

Tips[edit | edit source]

Some programs require the use of command-line. There is an article about how to do it on Windows. 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.

To customise the display of webpages, see Greasy Fork to find corresponding tools.

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 compile it and then run it, if the programming language of the program requires it. You may find details on the internet.

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[edit | edit source]

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
[edit | edit source]

 !! 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://codeberg.org/sanshiro/EyeCareWindow

Coloured window with mouse passthrough. It is open-source.

 !! https://darkreader.org/

Dark mode for web browsers. It is open-source.

Reminder
[edit | edit source]

 !! 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://github.com/AllanChain/sane-break

Reminder with notice in advance. 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.

Work-Break Timer
[edit | edit source]

 !! https://github.com/vjousse/pomodorolm

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/Arijit-05/Fomodoro

Work-break timer with custom sessions on Android. It is open-source.

 !! https://github.com/adrcotfas/Goodtime

Work-break timer with statistics on Android. It is open-source.

Activity Tracker
[edit | edit source]

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
[edit | edit source]

 !! 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.

 !! https://github.com/hagezi/dns-blocklists

Blocklists. It is open-source.

Skill Training
[edit | edit source]

https://humanbenchmark.com/

Tester of multiple skills.

 !! https://aimtrain.gitlab.io/

First-person shooter training for better cognition. It is open-source.

 !! https://codeberg.org/quentin-bettoum/libre-memory-game

Memory game. It is open-source.

Workout
[edit | edit source]

 !! https://github.com/oliexdev/openWorkout

Workout assistant for Android with animations or videos. It is open-source.

Eating
[edit | edit source]

https://codeberg.org/epinez/Energize/

Nutrition tracker for Android. It is open-source.

https://world.openfoodfacts.org/

Information about food nutrition.

Relaxation & Meditation
[edit | edit source]

 !! https://pixabay.com/sound-effects/

Sound effects. Turn loop on and enjoy. Its works are under a public license.

 !! 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.

[edit | edit 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
[edit | edit source]

 !! https://github.com/max-niederman/ttyper

Typing practice in command-line with detailed statistics and missed-word practice. 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
[edit | edit source]

 !! 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
[edit | edit source]

 !! https://cheatography.com/

Cheat sheets for programs.

 !! https://github.com/gnebbia/kb

Knowledge base of commands in command-line. It is open-source.

File Management
[edit | edit source]

 !! https://github.com/sxyazi/yazi

File manager in command-line. It is open-source.

 !! https://github.com/sharkdp/fd

Find local files in command-line. It is open-source.

 !! https://github.com/phiresky/ripgrep-all

Find texts in local files in command-line. It is open-source.

Text Editor
[edit | edit source]

 !! https://www.geany.org/

Text editor with features like replacing text in multiple files. It is open-source.

 !! http://lapce.dev/

Text editor with plugins. Input methods like Fcitx not supported yet. 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://micro-editor.github.io/

Simple text editor in command-line. It is open-source.

https://neovim.io/

Text editor in command-line with modes and plugins. It is open-source.

A configuration like LazyVim is recommended.

https://github.com/helix-editor/helix

Text editor in command-line with modes. It is open-source.

Terminal Emulator
[edit | edit source]

 !! https://alacritty.org/

Terminal with high performance and correct Unicode support. It is open-source.

Spreadsheet
[edit | edit source]

 !! https://www.marktyler.org/ced/

Minimal spreadsheet program. It is open-source.

 !! https://github.com/wfxr/csview

Spreadsheet viewer in command-line. It is open-source.

 !! https://github.com/jqnatividad/qsv

Spreadsheet tool in command-line. It is open-source.

Comprehensive Tool
[edit | edit source]

 !! 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
[edit | edit source]

 !! 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://taskwarrior.org/

Task planner in command-line. It is open-source.

https://github.com/anufrievroman/calcure

Simple task planner in command-line. 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://github.com/Zaloog/kanban-python

Kanban 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
[edit | edit source]

 !! 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/TriliumNext/Notes

Advanced notebook with hierarchy, text formatting, link map, synchronization and encryption. Good for working. It is open-source.

 !! https://github.com/pbek/QOwnNotes

Notes and Todos. 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://github.com/YangDai2003/OpenNote-Compose

Note-taking app for Android with Markdown, LaTeX and Mermaid support. It is open-source.

 !! https://safenotes.dev/

Encrypted notes on Android. It is open-source.

 !! https://jrnl.sh/

Notes in command-line. It is open-source.

 !! https://github.com/AmmarAbouZor/tui-journal

Journal in command-line. It is open-source.

 !! https://orgmode.org/

Notebook for Emacs, Neovim and other text editors. It is open-source.

 !! https://gitlab.com/ferreum/pto

Plain Text that can be activated at the lock-screen on Android. It is open-source.

 !! https://postkevone.github.io/tiddlyresearch/

Notebook for Tiddly Wiki. It is open-source.

Handwriting Notebook
[edit | edit source]

 !! 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
[edit | edit source]

 !! https://certified84.github.io/AudioNote/

Audio notebook on Andriod. It is open-source.

Whiteboard
[edit | edit source]

 !! https://excalidraw.com/

Online whiteboard. It is open-source.

 !! https://www.tldraw.com/

Online whiteboard. It is open-source.

Wiki
[edit | edit source]

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
[edit | edit source]

 !! https://rednotebook.app/

Diary for desktop. It is open-source.

 !! https://billthefarmer.github.io/diary/

Diary for Android. It is open-source.

Diagram
[edit | edit source]

 !! https://www.diagrams.net/

Diagrams. It is open-source.

Timeline
[edit | edit source]

 !! http://thetimelineproj.sourceforge.net/

Timeline. It is open-source.

Mind Map
[edit | edit source]

 !! 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
[edit | edit source]

 !! https://strlen.com/treesheets/

It combines mind map, spreadsheet and other forms of data. It is open-source.

A video about it.

Graph
[edit | edit source]

 !! https://foambubble.github.io/

Graph for VSCodium and VSCode. It is open-source.

Media Management
[edit | edit source]

 !! https://www.tagspaces.org/

File tagging. It is open-source.

 !! https://calibre-ebook.com/

E-Book manager. 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
[edit | edit source]

 !! 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.

Logic
[edit | edit source]

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
[edit | edit source]

 !!!! https://www.deepseek.com/

One of the top open AI models online. It is open-source.

 !!!! https://chat.qwenlm.ai/

One of the top open AI models online. It is open-source.

 !!!! https://gpt4all.io/

AI application with several models available for offline use. It is open-source.

 !!!! https://chatboxai.app/

Client for online and self-host AI services. It is open-source.

International Phonetic Alphabet
[edit | edit source]

 !! 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.

Pronunciation
[edit | edit source]

 !!!! https://lingualibre.org/

Pronunciation data from Wikimedia Commons. Its work is under a public license.

 !!!! https://forvo.com/

Dictionary of pronunciation.

➡ Write a review

 !! https://phoible.org/

Phonological data. Its work is under a public license.

[edit | edit source]

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
[edit | edit source]

 !!!! 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
[edit | edit source]

 !!!! 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/abeleinin/goki

Flashcards in command-line through TSV or CSV files with ChatGPT support. It is open-source.

 !! https://github.com/proycon/vocage

Minimalistic flashcards in command-line through TSV files. It is open-source.

https://www.memcode.com/

Flashcards on web. 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.

Presentation
[edit | edit source]

 !! 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
[edit | edit source]

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
[edit | edit source]

https://github.com/luyuhuang/DWords2

Shoot entries on the screen. It is open-source.

[edit | edit 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.

Vocabulary Builder
[edit | edit source]

 !!!! https://github.com/jzohrab/lute-v3

Build vocabulary list by adding definitions to words on texts. It is open-source.

 !!!! https://github.com/simjanos-dev/LinguaCafe

Build voocabulary lists for some languages on local web. 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.

Etymology
[edit | edit source]

https://etymologeek.com/

Etymology in European languages.

[edit | edit source]

 !! https://sourceforge.net/projects/scrabble/

Scrabble. 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
[edit | edit source]

 !! 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://github.com/JeromeSchmied/crablit

Quizzes TSV or other files in command-line. It is open-source.

 !! https://codeberg.org/GrimPixel/Quiz_Grid

Generate HTML tooltip quiz from TSV files. It is open-source.

Test
[edit | edit source]

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
[edit | edit source]

 !! https://jakubmelka.github.io/

PDF reader and editor. It is open-source.

 !! 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://github.com/max-kammerer/orion-viewer

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 Tool
[edit | edit source]

 !! https://greasyfork.org/en/scripts/373252-rss-show-site-all-rss

User script for showing RSS feeds of a website. It is open-source.

RSS Client
[edit | edit source]

 !! https://www.feedflow.dev/

Simple RSS feeder. It is open-source.

 !! 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://github.com/readrops/Readrops

RSS feeder for Android. It is open-source.

RSS Feed
[edit | edit source]

 !! https://www.cyberseo.net/public-rss-feed-catalogue/

Catalogue of RSS feeds.

Image Viewer
[edit | edit source]

 !! 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.

Webpage Tool
[edit | edit source]

 !! 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.

 !! https://github.com/lapwat/papeer

Save webpages in different formats in command-line. It is open-source.

https://github.com/OlegWock/anori

Browser extension for customised new tab with Anki support. It is open-source.

https://github.com/zimocode/smartupGesturefy

Gestures for some Browsers. It is open-source.

Speed Reader
[edit | edit source]

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://github.com/Quantum-mutnauQ/Fast_Reader_GTK

Speed reader for Linux. 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
[edit | edit source]

https://github.com/tfonteyn/NeverTooManyBooks

Book catalogue on Android. It is open-source.

[edit | edit 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.

Writing
[edit | edit source]

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.

[edit | edit 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.

Dictionary Client
[edit | edit source]

 !!!! 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://github.com/farfromrefug/OSS-Dict

Offline dictionary in SLOB format. 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://crissium.github.io/SilverDict/

Web version of GoldenDict. It is open-source.

Translation
[edit | edit source]

 !! https://invent.kde.org/office/crow-translate

Translator with multiple engine support. It is open-source.

 !! https://invent.kde.org/office/crow-translate

Translator with multiple engine support and plugins. It is open-source.

https://www.soimort.org/translate-shell/

Command-line translator from different sources. It is open-source.

 !! https://github.com/Bnyro/TranslateYou

Translator for Android. It is open-source.

 !! https://linguister.io/

Webpage translation with sentence dictionaries. 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.

Transliteration
[edit | edit source]

 !! https://codeberg.org/GrimPixel/Transliteration

Transliterator. It is at the beginning phase. It is open-source.

Conjugation
[edit | edit source]

 !!!! https://cooljugator.com/

Conjugation and some declension.

 !!!! https://www.verbix.com/

Conjugation.

Gender
[edit | edit source]

 !! 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
[edit | edit source]

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
[edit | edit source]

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
[edit | edit source]

 !! 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://codeberg.org/coleblvck/AntiiQ

Audio player for Android with speed control. It is open-source.

 !! https://musikcube.com/

Audio player in command-line. It is open-source.

Video Player
[edit | edit source]

 !! 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/moneytoo/Player

Video player for Android. It is open-source.

[edit | edit 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 & Video Tool
[edit | edit source]

 !! 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
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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
[edit | edit source]

 !!!! 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
[edit | edit source]

 !!!! 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
[edit | edit source]

 !!!! 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.

Parse Tree
[edit | edit source]

 !! 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
[edit | edit source]

 !! https://codeberg.org/GrimPixel/Cloze_Test

Take cloze tests from texts, sentence by sentence. It is open-source.

The problem of spaCy and Python 3.12.4 is still to be fixed.

Phrasebook
[edit | edit source]

 !!!! 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.

Calendar & Clock
[edit | edit source]

 !! https://github.com/PaskoZhelev/holidayz-app

View holidays on Android. It is open-source.

It can also be downloaded from F-Droid.

 !! 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
[edit | edit source]

 !! 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
[edit | edit 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.

[edit | edit source]

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
[edit | edit source]

 !! 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.

Chat
[edit | edit source]

 !! https://pidgin.im/

Chat client that supports multiple protocols through plug-ins. It is open-source.

 !! https://gajim.org/

XMPP client on desktop. It is open-source.

 !! https://codeberg.org/iNPUTmice/Conversations

XMPP client on Android. It is open-source.

https://github.com/paulfariello/aparte

XMPP client in command-line. It is open-source.

 !! https://github.com/SrainApp/srain

IRC client on desktop. It is open-source.

https://github.com/osa1/tiny

IRC client in command-line. It is open-source.

[edit | edit source]

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
[edit | edit source]

 !! https://www.musixmatch.com/

Lyrics and their translations.

 !! https://lyricstranslate.com/

Lyrics and their translations.

Subtitle
[edit | edit source]

 !! https://subripper.com/

Download subtitles form many websites.

 !! 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://github.com/FunkyMuse/SubHub

Subtitle downloader on Android. 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.

 !!!! https://github.com/garywill/multi-subs-yt

Display multiple subtitles on YouTube.

 !! https://github.com/jdepoix/youtube-transcript-api

YouTube caption downloader in command-line. It is open-source.

News
[edit | edit source]

 !! 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
[edit | edit source]

 !! 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/gilcu3/hullcaster

Podcast client in command-line. It is open-source.

 !! https://antennapod.org/

Podcast player for Android with playback speed change and rewind 10s. It is open-source.

 !! https://podcharts.co/

Charts of podcasts.

 !! https://www.listennotes.com/

Search Engine of podcasts.

Live & Video
[edit | edit source]

 !! 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
[edit | edit source]

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
[edit | edit source]

https://www.britannica.com/

A comprehensive encyclopedia.

Educational Resources
[edit | edit source]

https://oercommons.org/

Educational resources search engine. Its contents are under public licenses.

https://oasis.geneseo.edu/index.php

Educational resources. Its contents are under public licenses.

Map
[edit | edit source]

 !! 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
[edit | edit source]

 !! https://en.wikipedia.org/wiki/Lists_of_national_symbols

Lists of national symbols.

Culture & Travel
[edit | edit source]

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
[edit | edit source]

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.

[edit | edit source]

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
[edit | edit source]

https://mythbank.com/

Basics of myths.

https://mythopedia.com/

Myth information.

https://en.wikipedia.org/wiki/List_of_mythologies

List of mythologies.

Epic
[edit | edit source]

https://en.wikipedia.org/wiki/List_of_epic_poems

Epics.

Geography
[edit | edit source]

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
[edit | edit source]

 !! 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
[edit | edit source]

 !! https://www.wikiart.org/

All kinds of artwork around the world.

Dance
[edit | edit source]

 !! 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.

[edit | edit source]

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
[edit | edit source]

http://www.traditionalsports.org/

Introduction to traditional sports.

[edit | edit source]

 !! 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
[edit | edit source]

 !! https://en.wikipedia.org/wiki/Folk_costume

List of folk costume.

Folktale
[edit | edit source]

https://fairytalez.com/

Some tales.

https://www.worldoftales.com/

Some tale books.

Festival
[edit | edit source]

 !! 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
[edit | edit source]

https://en.wikipedia.org/wiki/List_of_martial_arts

List of martial arts.

https://blackbeltwiki.com/

Introduction to many martial arts.

Name
[edit | edit source]

 !! 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
[edit | edit source]

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
[edit | edit source]

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
[edit | edit source]

https://www.exchange-rates.org/

Exchange rates.

https://commodity.com/

Basic understanding of trading around the world.

Vehicle
[edit | edit source]

https://www.globalcarsbrands.com/

Automobile brands around the world.

Statistics
[edit | edit source]

https://www.statista.com/

All kinds of statistical data. Some are free.

https://ourworldindata.org/

It has detailed explanation on its data.

Train
[edit | edit source]

https://www.seat61.com/

Information about train travels.

Prepaid SIM Card
[edit | edit source]

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
[edit | edit source]

 !! http://www.worldlicenseplates.com/

Take a look if you are interested. It's completed.

Trivia Quiz
[edit | edit source]

https://www.jetpunk.com/

Trivia quizzes of the world. It is available in multiple languages.

Model
[edit | edit source]

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
[edit | edit source]

 !! 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.

[edit | edit source]

 !! 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.

https://github.com/sdushantha/fontpreview

Font previewer in command-line. It is open-source.

Optical Character Recognition
[edit | edit source]

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
[edit | edit source]

 !! http://www.polyglot3000.com/

Language identifier.

https://github.com/cisnlp/GlotLID

Language identifier in command-line. It is open-source.

Resource Links
[edit | edit source]

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
[edit | edit source]

https://archive.org/

Archive of the Internet since 1996 and other things. Really cool!

Virtual Private Network and others
[edit | edit source]

 !! 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 --
[edit | edit source]

GrimPixel

Other Lessons[edit | edit source]

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