freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

Curated coding interview preparation materials for busy software engineers

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

An enterprise-class UI design language and React UI library

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

"The mother of all demo apps" — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, and many more

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

A terminal for a more modern age

Easy to maintain open source documentation websites.

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

Autonomous coding agent right in your IDE, capable of creating/editing files, executing commands, using the browser, and more with your permission every step of the way.

🐻 Bear necessities for state management in React

The repository for high quality TypeScript type definitions.

Delightful JavaScript Testing.

📋 React Hooks for form state management and validation (Web + React Native)

React Hooks — 👍

Fast, expressive styling for React. Server components, client components, streaming SSR, React Native—one API.

Chakra UI is a component system for building SaaS products with speed ⚡️

🌈 React for interactive command-line apps

TypeScript & JavaScript ORM for Node.js — supports PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, and more.

Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.

Build forms in React, without the tears 😭

Immutable persistent data collections for Javascript which increase efficiency and simplicity.

Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events.

Browser extension that simplifies the GitHub interface and adds useful features

✌️ A spring physics based React animation library

The Select Component for React.js

🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table