freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

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

Virtual whiteboard for sketching hand-drawn like diagrams

Beautifully designed components that you can copy and paste into your apps. Accessible. Customizable. Open Source.

Your backend, minus the hassle.

Collection of TypeScript type challenges with online judge

React Hooks — 👍

🐉 Vue Component Framework

SDK for creating whiteboards and canvas experiences on the web.

TypeScript-first schema validation with static type inference

An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.

React Hooks for Data Fetching

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

🛡️ ⚛️ A simple, scalable, and powerful architecture for building production ready React applications.

The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.

🇨🇭 A React renderer for Three.js

The headless rich text editor framework for web artisans.

🌈 React for interactive command-line apps

A fully featured React components library

The best way to start a full-stack, typesafe Next.js app

React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely cust…

IDE-style autocomplete for your existing terminal & shell

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 buildi…

🚀 Beautiful, fast and modern React UI library.

📚 The definitive guide to TypeScript and possibly the best TypeScript book 📖. Free and Open Source 🌹

Instant-loading web apps, without effort

Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

Crawl a site to generate knowledge files to create your own custom GPT from a URL

The App Framework for Startups

🍞📝 Markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible.