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

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

Virtual whiteboard for sketching hand-drawn like diagrams

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

Deliver web apps with confidence 🚀

An enterprise-class UI design language and React UI library

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

A utility-first CSS framework for rapid UI development.

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

An open-source AI agent that brings the power of Gemini directly into your terminal.

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

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

Next generation frontend tooling. It's fast!

VS Code in the browser

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

Model Context Protocol Servers

Apache ECharts is a powerful, interactive charting and data visualization library for browser

Realtime application framework (Node.JS server)

Easy to maintain open source documentation websites.

The Progressive Web Framework.

🐻 Bear necessities for state management in React

The web framework for content-driven websites. ⭐️ Star to support our work!

The developers' cloud

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.

🤖 Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

Collection of TypeScript type challenges with online judge

The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.

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

Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB

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