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.

Visual Studio Code

💯 Curated coding interview preparation materials for busy software engineers

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

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

An enterprise-class UI design language and React UI library

Virtual whiteboard for sketching hand-drawn like diagrams

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

A utility-first CSS framework for rapid UI development.

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

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

The open source Firebase alternative. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

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

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 🚀

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

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many mo…

Realtime application framework (Node.JS server)

A JS library for predictable global state management

Easy to maintain open source documentation websites.

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

Declarative routing for React

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

🤯 Lobe Chat - an open-source, modern-design AI chat framework. Supports Multi AI Providers( OpenAI / Claude 3 / Gemini / Ollama / Qwen / DeepSeek), Knowledge Base (file upload / knowledge managemen…

🐻 Bear necessities for state management in React

The repository for high quality TypeScript type definitions.

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

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.