Multiple-languages Language Multiple-languages Culture: «Internet resources for polyglots»

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Best Free Services for Polyglots

If your English is not good, find links with “!!”. Links with “!!!!” are the most important to improve your English. Also, go to Language/English/Culture/Internet-resources-for-learning-English.

The Internet is a giant treasure. It provides so many free services.

The following resources are all free, but you can consider donating or buying premium plans, or even help several of them on the source code.

An interesting list:

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. have no better alternatives.

Resources with the following features will be given a little priority for each one:

  1. available offline;
  2. available on multiple platforms;
  3. multilingual user interface;
  4. open source;
  5. no need to register;
  6. privacy-friendly.

This page is updated from time to time, not frequently, not regularly.

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

There is a condensed version of this page: Language/Multiple-languages/Culture/IRFP-in-brief.

Please also take a look at Category:Free-Resources to find resources for specific languages.

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 suggested to put something like “featured in Polyglot Club” on your website, because this list is dynamic.

It is highly recommend to have privacy protection on.

An open-source website on privacy (only its English version is up-to-date; its communities are worth a visit):

Blue Light Filter[edit | edit source]


Filter for Linux and BSD. Windows version is experimental. It is open-source.


Filter for Android. It is open-source.


Filter for Windows 7 and newer versions. It is open-source.

Rest Reminder[edit | edit source]


It can lock your keyboard and mouse buttons when it is time. It is open-source.


It also supports BSD and macOS. Fewer features than Workrave. It is open-source.

Self-Control Helper[edit | edit source]


Browser add-ons. It is open-source.


Prevent yourself from using your phone. Only the Android version is free.


For Mac. It is open-source.

Keyboard[edit | edit source]


This one supports a lot of languages in Latin script, but it means to learn typing again. It is worth it.

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.

It is much easier to modify it to support Vietnamese on Linux because Linux allows typing multiple dead keys to modify a letter. It is suggested to set dead keys hỏi(hook above) to Shift+AltGr+H, móc/râu(horn) to Shift+AltGr+M or Shift+AltGr+R or both, nặng(lower dot) to Shift+AltGr+..

For languages with other letters such as Ə and Ɔ, autocorrection (or called in another way: text replacement) is required. AutoHotkey for Windows, AutoKey for Linux, Automator for macOS.

People think it's uncomfortable to type HE with Colemak because it requires stretching the index finger and shrinking the middle finger. I type E with my ring finger in this case.

This one is based on German keyboard, so you don't need to worry about lower quotation marks.

Its idea is 6 layers. But it may have trouble with your operating system. I suppose there could be 8 layers: 2 for Latin, 2 for Greek, 2 for Cyrillic, 2 for symbols.


Based on French, giving consideration to European languages.

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 “French” section in keyboard settings.


It is lightweight and supports many languages, with many keyboard layouts. But it has problems, too.


It supports fewer languages than O Keyboard, but it is open-source.


It supports fewer languages than O Keyboard, but it is open-source.

Typing[edit | edit source]


Typing tutor. It is open-source.


A place to train typing.

Shortcut[edit | edit source]


Keyboard shortcuts. They make the life a little easier.

To-Do-List[edit | edit source]


It has many functions: hierarchy, progress, different views of the list. It is open-source.


A different to-do-list. It is open-source.

Notebook[edit | edit source]


It is open-source and supports hierarchy.


It is open-source and privacy-focused. Can't insert images without payment.

Mind Map & Diagram[edit | edit source]

Java is required. It is open-source.


Successful fork of that beloved FreeMind. Java is required. It is open-source.

For drawing diagrams. A lot of structures are available. Java is required.

Hierarchical Spereadsheet[edit | edit source]


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

International Phonetic Alphabet[edit | edit source]


The site of the maker. The full IPA chart can be downloaded here. There is also a link to an interactive IPA chart.


IPA and romanization transcriptions. Very detailed, but there is a limitation for each hour. Its “More Tools” is also noteworthy.

Transcription to IPA. It is open-source. It won't help if you don't know Python.

It only supports words, as is discussed at Somebody can develop a tool for sound change.

Basic Course[edit | edit source]


The best free online language courses. It is actually a collection of exercises instead of real courses. It is also under criticism, from quality to method.

Don't neglect their other products.

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.

Some super cool courses. This is suggested by RomDasha.

A little site with useful basic courses of 5 languages with good design.

Grammar lessons.

Grammar and exercises, nothing for premium-only.

Material of native American languages.

Books are mostly incomplete and in lack of update, but some are nearly completed or completed, not bad.

It is discontinued, but deserves a mention. For beginners.

It is not for learning languages, but for how to write and read.

It is teaching about English, so something does not applies to some other languages.

Linguistic Article[edit | edit source]

When you are confused about the grammar, or simply out of curiosity, you want to touch linguistics. This site can help, though few articles are free.

Speaking[edit | edit source]


Dictionary of pronunciation.


Check your pronunciation through SR and TTS.


Submit the recording and wait for the response. Supported languages are not many.

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


Try not to hurt yourself when practicing.

Vocabulary[edit | edit source]


Flashcards in high quality can be found. Some most popular languages have courses of 0-5k and 5k-8k words, or divided differently and still reach 8k. A few can be over 30k.

Though it is said to be memorizing words with “mems” (memes in many cases), the “mems” are actually not in good quality.

Its app is quite worse than the web version. On the app, you can't add other courses besides official ones, and the download for offline use always fails if the vocabulary is over 3k.

In the app, don't look at the candidates (including candidate letters) at first, to aboid getting hints from them.


It is not so good at efficient memorization as Memrise. It is for having quizzes. But you can find specific practice such as reflexive verbs, weak nouns.

It even encourages you to copy other people's card decks and create your own variants, in case a good deck has flaws and the creator doesn't respond to it.

You can import from a spreadsheet.


Offline flashcard platform. Content can be in diverse formats. There are also add-ons for it. It is open-source.

Its community has some decks, but this is not mentioned at the home page.

Unfortunately, not free on iOS.

There is a detailed article and a video about how to import from a spreadsheet. TableTool2 is down. There is a Table to Excel now. But usually you can simply copy a table without that add-on.

There is a good article about how to add images and audios. Remember that if you don't share the copyrighted works with other people, your action cannot be judged as copyright infringement.

You can try its add-on for exporting to .csv file, but it doesn't support some scripts such as Han.

Such tutorial things should be the developers' duty.

In language learning, it is supposed to reduce impression of errors as much as possible. But when you are guessing the answers of flashcards, you may be deepening the impression of wrong ones. As a result, don't guess, just click or tap on “AGAIN”.


Learn with cloze. It is effective, but sometimes it is just repeating the same point in different questions.

Four languages to learn. There is a trial automatically started after you register, so don't expect all features will continue if you don't pay after 48 hours.

Among its products, the mobile version of Context seems to be the most helpful: learn and practise new words with example sentences.

Also their browser add-on. Very good.


It focuses on visual training, which has both advantages and disadvantages. Free users have to wait 10 hours for the next 5 min practice session.


Simply learn words and sentences.


It's pretty good for educating young polyglots.


Some basic vocabulary.


They may think “word of the day” is too inefficient, so do I. It is constantly being improved, but not satisfying for now. The response of a contact is quick and friendly.

Practice sentence translation through subtitles. Don't expect word-to-word translations.

A site with a different design.

Great idea of making use of wallpaper. Only for Mac, and languages are few.

Also, a great idea to learn a word each time you open a tab. Only for three languages. Only for beginners.

Flashcards, similar to Memrise or Quizlet. It is open-source.

Frequency lists. Make use of it with software that helps to memorise, such as Anki. And if you would like, share with others.

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.

Maybe somebody can create a program to do it. This would be a great favour to the human.

There is a trick of making use of it: open two same pages, translate one of them, so if ignoring polysemes, it would be a convenient way of seeing their meanings.

Test[edit | edit source]

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.

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.

Reading[edit | edit source]


Numerous articles in many languages and they are usually proofed to read.

Don't forget to browse “Category” to find your interested content.

Also take a look at its sister projects on


Make Wikipedia and some other sites offline. It is open-source.

There is no doubt that you and all other people in your village or community can't finish reading them all.

The largest collections of books in the public domain, mostly in English though.

List of book collections. Many links are available in “https” now.


RSS feeder. It is open-source.

If you don't know what RSS is, read this:


Read and create flashcards to learn. The response of a contact is quick and friendly.


Bilingual stories. Voices are from volunteers, the quality is not very good.


As what its domain name says, parallel text. Classical works.


Articles in many languages, with online dictionaries.

Declaration: suggesting it is not for preaching.

The full Bible has been translated into at least 670 languages, more than double the number of languages of Wikipedia.

The site's counterpart in Islam is Declaration: mentioning it is not for preaching.

Save the web page as a single file.

This is a PHP project. The page design is very bad, but as a learned person, you should have sufficient patience to read the guide and follow it. It's a DIY, offline and free version of LingQ. It is in public domain.

LingQ is freemium, but it can't be recommended, for its unacceptable limitations on free users.

Dictionary[edit | edit source]


Practical, no need to switch dictionaries, translations in many languages are shown together.


It is really completed.


It is completed, with example sentences of high quality. You can even find uncommon words with meanings of common words.


Terminology dictionary of European Union. That is to say, what you search should be a term.


It is open-source and 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.

You can search the word by selecting it and listen to Forvo pronunciation. You can also add dictionary websites.


It is completed for several languages.


It supports so many languages, citing results from other sites. 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.


The best offline dictionary. Its update is stopped, but it is still very useful.


Unofficial Lingoes on Android.


Dictionaries and phrase books. Phrase books have ads.


Its quality is not good, but it supports a lot of languages, offline.

Translator[edit | edit source]


The best translator by now. It also supports optical character recognition on mobile.


It supports several languages that Google Translation doesn't support, but its quality is not so good as Google's.

Instant translate with double-click, and create phrasebooks.

A user script of Google Translate tooltip. It is open-source.

User scripts are similar to browser add-ons, but they can change some content of web-pages. You can see a lot of its users are Chinese, but it is still far from being well-known in China.

You need to install one of them to run the scripts: Tampermonkey (not open-source), Greasymonkey (bloated) or Violentmonkey (privacy nightmare).

Translate to multiple languages at one time. It is open-source.

Similar to Translatr, but it uses Microsoft.


Convenient add-ons for browsers.

It is open-source. Promising.

Conjugation[edit | edit source]


Conjugation and some declension.

Gender[edit | edit source]


Apps for practising genders in 4 languages. You can also estimate how long you can practice until your battery becomes empty.

Number[edit | edit source]


Generate a random sequence. You can try to read them and train your listening with the help of TTS.

Grammar Checker[edit | edit source]

It supports several languages but works well on the few. It is open-source.

Listening[edit | edit source]


To practice listening. Not very good-looking. Voices are from volunteers, the quality is not very good. It also has conjugation exercises.


Books read by volunteers.

News with some free transcripts, and the speed is slow.


Materials can become no-free after a period of time, but it's reasonable.

It doesn't mean that you can't see an archived lesson forever if you don't pay. They offer a random lesson each Thursday for free.


Listen to songs and fill in the blanks of lyrics.


Listen to recordings.


This is for editing audio files, but it can also record the playback from your computer, which means that you can record online radio or something else:

It is open-source.

Listen and identify the language. It has been shut down, but it has links to two other sites in the same type. Verbling has this game, too.

Text-to-Speech[edit | edit source]


A software to read texts. If you don't know how to get the voices, you can see Language/Multiple-languages/Culture/How-to-use-SR-and-TTS-on-Windows.


It can be called the best platform for Android.

Example Sentence[edit | edit source]


Example sentences in many languages. It is open-source.

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


Search for example sentences of a word, with the Lingoes dictionary inserted. Many results are from Tatoeba.

Search for parallel texts in subtitles.

Parse Tree[edit | edit source]

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

A different one to draw parse trees. It is open-source.

Text Memorization[edit | edit source]


Helper of memorization. Useful for building the impressions of sentence structures.

Unfortunately, it doesn't support many scripts. The reasons are: 1. it does not recognize the punctuation of many scripts such as Arabic; 2. it does not recognize words in scripts in which words are not separated by spaces such as Han, and some languages where a word have spaces inside it, such as Vietnamese.

Solutions are: 1. add punctuation according to Language/Multiple-languages/Grammar/Punctuation-of-many-languages; 2. add dictionaries of Chinese, Japanese, Thai, Vietnamese, etc. from Wiktionary or elsewhere.

Cloze-like memorization.


Memorization with hints. It has some libraries of text samples. You can add your texts.

Same problem with, same solution.

Phrasebook[edit | edit source]


It provides apps for both phrase and vocabulary, but I have categorized it in this one because it provides IPA in the apps of phrases.


It supports many languages, and it is detailed.


Actually a few more than 50 languages. You can also have a test there.

World Clock, Calendar & Weather[edit | edit source]


It has not only the world clock for every city but also many other features, such as calendars with festivals of most countries.

Community[edit | edit source]


The most popular language learning community by now. It also pushes helpful articles written by teachers.


It is surely a miscellany, and it is a good miscellany.

Go to r/languagelearning or r/linguistics to enjoy.


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

Questions & Answers[edit | edit source]

Ask and answer with people around the world. Unfortunately, don't expect them to be effective in dealing with spamming and abusing. But I'm not encouraging you to do so.

Search before you ask.

Do not feed the trolls.

Do not answer blanked homework questions, because the questioner is too lazy to deserve an answer.

Do not answer the meaning of a single word. The questioners should consult a dictionary on their own. Exceptions are newbies, because they may be just following the tutorial and have a try, not lazy.

Do not ask questions in English channels, because the questions are too many, the answer rate is extremely low. Try asking at Polyglot Club.

Ask in parallel text. Then the respondent won't need to ask you about the real meaning if the sentence is not understood.

The most popular site for Q&A.

Its advantage, also its disadvantage, is dividing itself into a lot of small sections. As learning language usually does not require inspirations from other fields, this one may be better than Quora.

Language Exchange[edit | edit source]


An app for talking with people who are as nervous to talk with strangers like you.


Free users can be contacted by those who have paid. Since they have paid, they are more likely to be serious learners.

Blog[edit | edit source]

Things about language learning. It is active.

There are periodically good contents being presented.

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

Blogs about cultures. There are also magazines.

Lyrics[edit | edit source]


See lyrics and translations.

Subtitle[edit | edit source]


One of the most popular subtitle sites. Subtitles in European languages are easier to find.


One of the most popular subtitle sites. Subtitles in English, Arabic, Persian, Indonesian are easier to find.


For downloading subtitles. You can add websites on your own. It is open-source.


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


If Dualsub can't run since the second time, you can try this player, which can display two subtitles. It is open-source.

What a good name of this program.


Turn subtitles into flashcards. It is open-source.

Radio & Podcast[edit | edit source]


A list of internet radio stations. You can find other projects (some are open-source) such as RadioDroid to listen to them.


Podcasts around the world.

TV Channel[edit | edit source]


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.

This site is not serious on national flags at all.

News[edit | edit source]


It reveals how media around the world report about the world.


Links to news websites.

Some TV have shows for free, some of which even with subtitles.

An honest media won't always say what you like, or what you dislike.

Instant news about hot spots from social media.

Video[edit | edit source]


No one can be richer in content than this. Heavy censorship, demonetization, weird copyright terms.

There are many channels teaching languages and introducing cultures, which people may forget.


Watch YouTube videos without being watched by YouTube. It is open-source.

Downloading YouTube videos violates YouTube's terms of service. What a great move of grabbing your videos and claiming them as their properties.

Download videos with Python commands. It is open-source.


Notable sibling program of youtube-dl. It also has a web version. It is open-source, too.


Download videos on browsers, easy to use.

Decentralized video site. It is new and respects privacy. It is open-source.

DTube is a similar one, but it can't be self-hosted.

Live[edit | edit source]


There are players speaking different languages. Its “IRL” section is people in real life. You can interact with them in their languages.

Language Information[edit | edit source]

It provides information about basic knowledge of many languages. Many “Alphabet and Pronunciation” lessons on this site are from there.

Information of languages of the world. Not only languages, but also many varieties. It is open-soruce.

Information of scripts.

Linguistic maps.

Basic information of languages of the world. It may be not free in some regions.

General knowledge about European languages.

Codes for every language and is still being updated. You can find the whole table.

General Knowledge[edit | edit source]

A comprehensive encyclopedia.

Map[edit | edit source]


It resolves the exotic sense. If you are careful enough, you can find trivia about a place.

From the maps you can only see the appearance, not inside the societies. Actually, people in somewhere looks rich maybe not so happy as people in somewhere looks poor.


Another map site. It is open-source.


Downloadable maps. It even includes cities. I don't expect them to be up-to-date.

Guess where you are in a random Google Maps street view.

Cultures & Travel[edit | edit source]

Introduction of the city and many details of countries. It is open-source.

The most important page for travelers is

Introductions to cultures.

Its information is old. There are details of peoples and countries.

It is mainly about some details about manners.

It is mainly about some details about manners.

Cultural Objects.

Guide of traveling cities.

Detailed information about health.

Cultural heritages. There is also an interactive map.

Intangible cultural heritages.

A formal publication of basic information about countries.

Links to other sites about cultures.

History[edit | edit source]

Texts are brief and abundant, with references.

Texts are detailed for each item.

Looks old-fashioned, but it is not bad if you get used to it.

An app about major events of history.

It shows you some old news with detailed maps.

Maps of history.

It looks cool.

A popular history book by an amateur historian called Herbert George Wells.

If he were a professional historian, he would not have written it, together with many other nice books.

Philosophy & Religion[edit | edit source]

The basics of philosophy, “by a layman for the layman”.

List of religions and spiritual traditions.

Not believing a religion itself is also religious.

Facts about religions.

Geography[edit | edit source]

Videos about world geography.

Short articles.

Introduction of countries and other things with links.


Flags, capitals, currencies, some landmarks, in multiple languages. Dependencies included are not many.


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, go to Language/Mandarin-chinese/Vocabulary/Countries-and-Nationalities.

Music[edit | edit source]


All about traditional music.


Recognize music with recording or your humming. It has some advantages over Shazam.


Recognize music with recording. It has some advantages over Soundhound.

Art[edit | edit source]


All kinds of artwork around the world.

Dance[edit | edit source]


Dances by origin. You can search for them on video sites.

Cuisine[edit | edit source]




List of cuisines.

Folk Costume[edit | edit source]


List of folk costume.

Folktale[edit | edit source]

Some faire tales.

Some fairy tale books.

Festival[edit | edit source]


Not complete, but still good.

It includes more countries than the one above. I wonder if it is so difficult to gather information about festivals.

Name[edit | edit source]


Find the meanings of a given name.

Don't expect you can understand every Chinese name.

Astronomy[edit | edit source]

You can see the sky in different locations and times. There are starlores in different cultures. Some even have constellation art.

Living Standard[edit | edit source]

Prices from the world. Sometimes inaccurate.

The prices of the same products in different regions.

Statistics[edit | edit source]

All kinds of statistical data.

Trivia Quizzes[edit | edit source]

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

Prepaid SIM Card[edit | edit source]

Details about SIM cards.

License Plate[edit | edit source]


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

Fonts[edit | edit source]


It presents a lot of fonts in one art style. It is open-source.


No one covers more of the Unicode map than GNU Unifont. It is open-source, no need to say because the name has “GNU”.

Its function is limited, such as bad support for South and Southeast Asian characters.


You can search for fonts by Unicode block or script here.

Speech Recognition[edit | edit source]


It recognizes your speech with the help of Google.

Optical Character Recognition[edit | edit source]

It recognizes characters on the screen with Tesseract. Training is required.

Language Identifier[edit | edit source]


It identifies languages.

Resource Links[edit | edit source]

Unlike this page, those are for some specific languages, and I am not responsible for their qualities.

This one is in a great quality that even GrimPixel's resource pages can hardly match.

This one has various references.

This one has more links for each one with fewer languages.

This one has more languages with fewer links for each one.

This one focuses on ancient languages.

Free media resources.

This one includes paid recommendations without notice.

Academic software. You may wonder why academicians are so dumb at design. That is because they don't have to do so.

Web Page Archive[edit | edit source]

Archive of the Internet since 1996. Really cool!

Virtual Private Network[edit | edit source]


Those who are hindered from accessing the world Internet, send an e-mail to it.

Endangered Language Protection[edit | edit source]

If you are capable and responsible, please do your part to protect endangered languages.

Volunteering for Language Learning[edit | edit source]

If they are willing to learn a language to make a decent life, they deserve to be respected.

-- AUTHOR --[edit | edit source]