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

Production-ready platform for agentic workflow development.

Deliver web apps with confidence 🚀

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

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…

Drop in a screenshot and convert it to clean code (HTML/Tailwind/React/Vue)

A terminal for a more modern age

Easy to maintain open source documentation websites.

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…

The Full-Stack Vue Framework.

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

Quill is a modern WYSIWYG editor built for compatibility and extensibility

🧡 Everything is RSSible

Visual primitives for the component age. Use the best bits of ES6 and CSS to style your apps without stress 💅

🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

The open-source notification Inbox infrastructure. E-mail, SMS, Push and Slack Integrations.

Making Docker and Kubernetes management easy.

ORM for TypeScript and JavaScript. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.

Build forms in React, without the tears 😭

Backstage is an open framework for building developer portals

A JavaScript library to position floating elements and create interactions for them.

A completely customizable framework for building rich text editors. (Currently in beta.)

Jitsi Meet - Secure, Simple and Scalable Video Conferences that you use as a standalone app or embed in your web application.

Build full-stack apps on your own infrastructure.

A modified web browser that helps in responsive web development. A web developer's must have dev-tool.