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

Visual Studio Code

Production-ready platform for agentic workflow development.

Virtual whiteboard for sketching hand-drawn like diagrams

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

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

An enterprise-class UI design language and React UI library

JavaScript API for Chrome and Firefox

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

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

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

Model Context Protocol Servers

🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

🤯 LobeHub - an open-source, modern design AI Agent Workspace. Supports multiple AI providers, Knowledge Base (file upload / RAG ), one click install MCP Marketplace and Artifacts / Thinking. One-cl…

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

Easy to maintain open source documentation websites.

A JS library for predictable global state management

Declarative routing for React

🐻 Bear necessities for state management in React

Autonomous coding agent right in your IDE, capable of creating/editing files, executing commands, using the browser, and more with your permission every step of the way.

🤖 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

Build AI Agents, Visually

Delightful JavaScript Testing.

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

A terminal built on web technologies

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

🐠 Babel is a compiler for writing next generation JavaScript.