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

Virtual whiteboard for sketching hand-drawn like diagrams

An enterprise-class UI design language and React UI library

JavaScript API for Chrome and Firefox

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

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

Next generation frontend tooling. It's fast!

VS Code in the browser

The ultimate space for work and life — to find, build, and collaborate with agent teammates that grow with you. We are taking agent harness to the next level — enabling multi-agent collaboration, e…

There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable an…

Easy to maintain open source documentation websites.

🔥 🔥 🔥 A Free & Self-hostable Airtable Alternative

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

🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

The repository for high quality TypeScript type definitions.

Fast, easy and reliable testing for anything that runs in a browser.

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

very good whiteboard infinite canvas SDK

Presentation Slides for Developers

The Secure CommsOS™ for mission-critical operations

React Hooks — 👍

AI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs

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…

🐉 Vue Component Framework

🧡 Folo is the AI RSS Reader

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

Umami is a modern, privacy-focused analytics platform. An open-source alternative to Google Analytics, Mixpanel and Amplitude.

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…

🌈 React for interactive command-line apps

A declarative, efficient, and flexible JavaScript library for building user interfaces.