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.

A fast, simple & powerful blog framework, powered by Node.js.

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

Interactive, thoroughly customizable maps in the browser, powered by vector tiles and WebGL

Von Neumann Machine Simulator