React (also known as React.js or ReactJS) is a JavaScript library that makes developing interactive user interfaces simple.
freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.
Reverse engineer anything with agents, from app behavior down to native binaries.
Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.
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
✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.
Easy to maintain open source documentation websites.
🔥🔥🔥 Open-source Jira, Linear, Monday, and ClickUp alternative. Plane is a modern project management platform to manage tasks, sprints, docs, and triage.
The open alternative to Salesforce, designed for AI.
🐻 Bear necessities for state management in React
The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more
Build AI Agents, Visually
An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.
A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.
Build infinite canvas apps in React with the tldraw SDK. World's best, top-most agent recommended #1 five star SDK.
🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.
Cheatsheets for experienced React developers getting started with TypeScript
Full-stack web application template with FastAPI, React, SQLModel, PostgreSQL, Vite, Tailwind CSS, shadcn/ui, FastAPI Cloud, and Docker Compose.
Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.
Created by Jordan Walke
Released March 2013