By language

Top JavaScript projects

The most-starred MIT projects written mainly in JavaScript.

How it's ranked: Sorted by GitHub stars, using GitHub's primary-language detection. Data from GitHub as of 2026-11-02.

1. 1ECCA set of skills, memory, and security rules that makes AI coding agents work more carefully.affaan-m · JavaScript★ 295k
2. 2ReactA JavaScript library for building interactive user interfaces out of reusable components.react · JavaScript★ 252k
3. 3javascript-algorithmsJavaScript examples of many classic algorithms and data structures, with explanations and reading links.trekhleb · JavaScript★ 197k
4. 4PonytailA Claude Code and agent skill that makes the AI write less code, aiming for the smallest working change.DietrichGebert · JavaScript★ 182k
5. 5Airbnb JavaScript Style GuideA widely used style guide with rules and ESLint configs for writing consistent JavaScript.airbnb · JavaScript★ 148k
6. 6Next.jsA React framework for building websites and web apps with server rendering and routing built in.vercel · JavaScript★ 143k
7. 7three.jsA JavaScript library for drawing and animating 3D scenes in web browsers.mrdoob · JavaScript★ 117k
8. 8Agent SkillsEngineering workflow skills (spec, plan, build, test, review, ship) that guide AI coding agents.addyosmani · JavaScript★ 113k
9. 9axiosA promise-based HTTP client that works in both browsers and Node.js.axios · JavaScript★ 109k
10. 10Taste SkillAgent skill that steers coding agents toward distinct web designs with reference images and browser checks.Leonxlnx · JavaScript★ 108k
11. 11Create React AppA deprecated tool that sets up a basic single-page React app with no build configuration.react · JavaScript★ 103k
12. 12Material UIA React component library of ready-made UI pieces built on Google's Material Design.mui · JavaScript★ 99.3k
13. 13Web-Dev-For-BeginnersA free 12-week, 24-lesson beginner course teaching HTML, CSS and JavaScript through hands-on projects.microsoft · JavaScript★ 97.1k
14. 14clean-code-javascriptA guide of clean code principles for writing readable JavaScript, with bad and good examples.ryanmcdermott · JavaScript★ 94.7k
15. 15Uptime KumaSelf-hosted uptime monitor that checks your sites and services and alerts you when they go down.louislam · JavaScript★ 93.2k
16. 16SvelteA web UI framework whose compiler turns components into plain JavaScript that updates the page directly.sveltejs · JavaScript★ 88.5k
17. 17GitHub Readme StatsGenerates GitHub profile stat cards you can embed in your README.anuraghazra · JavaScript★ 79.9k
18. 18career-opsOpen-source AI job search agent that scores jobs against your CV and drafts applications for you to submit.career-ops-hq · JavaScript★ 79.4k
19. 19json-serverA fake REST API server built from a JSON file, for prototyping and testing front ends.typicode · JavaScript★ 75.7k
20. 20Anime.jsA JavaScript library for animating CSS properties, SVG, DOM attributes and plain objects.juliangarnier · JavaScript★ 74.2k
21. 21reveal.jsA free HTML framework for building slide presentations that run in a web browser.hakimel · JavaScript★ 72.5k
22. 22ExpressA minimal, unopinionated web framework for building servers and APIs with Node.js.expressjs · JavaScript★ 69.6k
23. 23AnythingLLMPrivate AI chat app for your documents, with agents, runs locally or with cloud models.Mintplex-Labs · JavaScript★ 67.8k
24. 24Chart.jsA JavaScript library for drawing simple, customizable charts on web pages using canvas.chartjs · JavaScript★ 67.8k
25. 2533 JS ConceptsA reading guide to 33 core JavaScript concepts, with explanations and code examples.leonardomso · JavaScript★ 66.5k