JavaScript is a dynamic, high-level, and interpreted programming language that is essential for web development, allowing developers to build interactive and responsive user interfaces. Primarily executed on the client-side in web browsers, JavaScript enables the creation of rich user experiences through the manipulation of HTML, CSS, and DOM elements. It's also widely supported by server-side environments like Node.js, expanding its use beyond the browser. Key features include first-class functions, closures, and prototype-based inheritance, which empower developers to write both functional and object-oriented code. With its extensive ecosystem of libraries and frameworks such as React, Angular, and Vue.js, JavaScript provides tools for efficient handling of complex applications. Its asynchronous capabilities, through constructs like Promises and the async/await syntax, offer solutions for handling operations like API calls and data fetching, vital for modern web applications.
View the most prominent open source JavaScript projects in the list below. Click on a specific project to view its alternative or complementary packages. Make comparisons and find the best package for your app.
- freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.☆438,273Updated this week
- Curated list of project-based tutorials☆261,168Aug 15, 2024Updated last year
- The library for web and native user interfaces.☆243,972Updated this week
- This is the repo for Vue 2. For Vue 3, go to https://github.com/vuejs/core☆209,965Oct 10, 2024Updated last year
- 📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings☆195,759Feb 18, 2026Updated last month
- A book series (2 published editions) on the JS language.☆184,495Feb 15, 2026Updated last month
- The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.☆174,074Updated this week
- JavaScript Style Guide☆148,114Feb 24, 2026Updated 3 weeks ago
- Coding articles to level up your development skills☆127,127Updated this week
- Build cross-platform desktop apps with JavaScript, HTML, and CSS☆120,475Updated this week
- 免费的计算机编程类中文书籍，欢迎投稿☆116,470Jul 15, 2024Updated last year
- Node.js JavaScript runtime ✨🐢🚀✨☆116,237Updated this week
- JavaScript 3D Library.☆111,327Mar 13, 2026Updated last week
- Promise based HTTP client for the browser and node.js☆108,655Updated this week
- TypeScript is a superset of JavaScript that compiles to clean JavaScript output.☆108,179Updated this week
- A modern runtime for JavaScript and TypeScript.☆106,388Updated this week
- The Node.js best practices list (July 2024)☆105,171Apr 15, 2025Updated 11 months ago
- Deliver web apps with confidence 🚀☆100,116Updated this week
- 24 Lessons, 12 Weeks, Get Started as a Web Developer☆95,428Mar 11, 2026Updated last week
- Clean Code concepts adapted for JavaScript☆94,318Jul 29, 2024Updated last year
- High performance self-hosted photo and video management solution.☆95,014Updated this week
- A Collection of application ideas which can be used to improve your coding skills.☆91,157Oct 11, 2025Updated 5 months ago
- Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation☆89,470Updated this week
- Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one☆88,159Updated this week
- Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown☆86,712Updated this week
- Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.☆84,454Updated this week
- A curated awesome list of lists of interview questions. Feel free to contribute!☆81,426Jul 29, 2024Updated last year
- A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScrip…☆74,972Mar 13, 2026Updated last week
- 🗂 The perfect Front-End Checklist for modern websites and meticulous developers☆72,354Updated this week
- A collection of awesome things regarding React ecosystem☆72,387Jan 14, 2026Updated 2 months ago
- 🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.☆71,590Updated this week
- Fast, unopinionated, minimalist web framework for node.☆68,889Mar 1, 2026Updated 2 weeks ago
- Simple HTML5 Charts using the <canvas> tag☆67,280Feb 28, 2026Updated 2 weeks ago
- JavaScript animation engine☆66,863Feb 13, 2026Updated last month
- 📜 33 JavaScript concepts every developer should know.☆66,276Feb 28, 2026Updated 2 weeks ago
- A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the applic…☆66,042Updated this week
- Delightful Node.js packages and resources☆65,279Jan 14, 2026Updated 2 months ago
- Easy to maintain open source documentation websites.☆64,177Updated this week
- Realtime application framework (Node.JS server)☆62,942Mar 12, 2026Updated last week
- A natural language interface for computers☆62,780Feb 9, 2026Updated last month