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

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.

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

VS Code in the browser

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

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

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)

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

🔥 🔥 🔥 Open Source Airtable Alternative

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

Quill is a modern WYSIWYG editor built for compatibility and extensibility

Delightful JavaScript Testing.

Presentation Slides for Developers

Build Better Websites. Create modern, resilient user experiences with web fundamentals.

Flash OS images to SD cards & USB drives, safely and easily.

🔥 Turn entire websites into LLM-ready markdown or structured data. Scrape, crawl and extract with a single API.

The next open source file uploader for web browsers 🐶

Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.

CLI tool for Angular

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

Perplexica is an AI-powered search engine. It is an Open source alternative to Perplexity AI

Your window into the Elastic Stack

Huly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion)

Open Source Alternative to Vercel, Netlify and Heroku.

The open-source repo for docs.github.com