JavaScript Language

Open-source JavaScript projects categorized as Language

Top 23 JavaScript Language Projects

  1. awesome-cheatsheets

    👩‍💻👨‍💻 Awesome cheatsheets for popular programming languages, frameworks and development tools. They include everything you should know in one single file.

    Project mention: 10 Useful GitHub Repos Made for Front-End Developers in 2024 | dev.to | 2024-10-07

    Awesome Cheat Sheets

  2. CodeRabbit

    CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

    CodeRabbit logo
  3. less.js

    Less. The dynamic stylesheet language.

    Project mention: 2025's Tech Stack for Front End | dev.to | 2025-02-03

    Less Documentation

  4. corpora

    A collection of small corpuses of interesting data for the creation of bots and similar stuff.

    Project mention: Corpora: A collection of small corpuses of interesting data | news.ycombinator.com | 2024-03-25
  5. franc

    Natural language detection

  6. pluralize

    Pluralize or singularize any word based on a count

  7. Enterprise

    🦄 The Enterprise™ programming language

  8. yomitan

    Pop-up dictionary browser extension. Successor to Yomichan.

  9. Nutrient

    Nutrient - The #1 PDF SDK Library. Bad PDFs = bad UX. Slow load times, broken annotations, clunky UX frustrates users. Nutrient’s PDF SDKs gives seamless document experiences, fast rendering, annotations, real-time collaboration, 100+ features. Used by 10K+ devs, serving ~half a billion users worldwide. Explore the SDK for free.

    Nutrient logo
  10. pyret-lang

    The Pyret language.

  11. fluent.js

    JavaScript implementation of Project Fluent

  12. clio

    Clio is a functional, parallel, distributed programming language.

  13. i18next-browser-languageDetector

    language detector used in browser environment for i18next

    Project mention: react internationalization i18n | dev.to | 2024-08-01

    i18n // load translation using http -> see /public/locales // learn more: https://github.com/i18next/i18next-http-backend .use(Backend) // detect user language // learn more: https://github.com/i18next/i18next-browser-languageDetector .use(LanguageDetector) // pass the i18n instance to react-i18next. .use(initReactI18next) // init i18next // for all options read: https://www.i18next.com/overview/configuration-options .init({ ns: [ "translation", "header", "note", "settings", "zod", "custom", "introduce", "message", ], defaultNS: "translation", fallbackLng: "en", debug: false, detection: { caches: ["localStorage"], }, }); export default i18n;

  14. LIPS

    Scheme based powerful lisp interpreter in JavaScript

    Project mention: PyScript: An open source platform for Python in the browser | news.ycombinator.com | 2024-08-16
  15. js-written-number

    Convert numbers to words - their written form (by yamadapc)

  16. foi-lang

    Foi: a different kind of functional programming language

  17. profane-words

    A very long list of English profanity.

  18. ng2-pdfjs-viewer

    An angular component for PDFJS and ViewerJS (Supports all versions of angular)

  19. SoliditySamples

    Solidity Smart Contracts Samples

  20. topokanji

    Topologically ordered lists of kanji for effective learning

  21. pronounce

    Never doubt how to pronounce a word. Double-click it and your browser will say it out loud for you!

  22. Lama2

    Free, Lightweight & Collaborative API Client

    Project mention: Learn Golang in 2025, You Won't Regret It | dev.to | 2024-12-29

    If you're making resolutions for 2025, add Golang to your list. You won't regret it. Thanks for reading! If you want to learn Golang by contributing to an open-source project, check out glee and Lama2.

  23. reverso-api

    🌍 Simple JavaScript Reverso API. Context, Spell Check, Synonyms, Translation and Conjugation are currently available.

  24. washyourmouthoutwithsoap

    A list of bad words in many languages.

  25. n2words

    Convert numerical numbers to written numbers, in 25+ languages.

  26. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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JavaScript Language related posts

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  • React Compiler is now open source

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  • Corpora: A collection of small corpuses of interesting data

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  • A note from our sponsor - Nutrient
    nutrient.io | 18 Feb 2025
    Bad PDFs = bad UX. Slow load times, broken annotations, clunky UX frustrates users. Nutrient’s PDF SDKs gives seamless document experiences, fast rendering, annotations, real-time collaboration, 100+ features. Used by 10K+ devs, serving ~half a billion users worldwide. Explore the SDK for free. Learn more →

Index

What are some of the best open-source Language projects in JavaScript? This list will help you:

# Project Stars
1 awesome-cheatsheets 41,577
2 less.js 17,043
3 corpora 4,967
4 franc 4,197
5 pluralize 2,173
6 Enterprise 1,610
7 yomitan 1,510
8 pyret-lang 1,081
9 fluent.js 946
10 clio 936
11 i18next-browser-languageDetector 888
12 LIPS 436
13 js-written-number 368
14 foi-lang 313
15 profane-words 251
16 ng2-pdfjs-viewer 232
17 SoliditySamples 201
18 topokanji 183
19 pronounce 168
20 Lama2 117
21 reverso-api 108
22 washyourmouthoutwithsoap 101
23 n2words 89

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Did you know that JavaScript is
the 3rd most popular programming language
based on number of references?