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.

Lightweight, user-friendly onboarding tour library

A modest JavaScript framework for the HTML you already have

Open-source components, blocks, and AI agents designed to speed up your workflow. Import them seamlessly into your favorite tools through Registry and MCPs.

Next-gen, highly customizable content editor for the browser - based on React and written in TypeScript. WYSIWYG on steroids.

🏰 An exciting game of programming and Artificial Intelligence

The Bosque programming language is an experiment in regularized design for a machine assisted rapid and reliable software development lifecycle.

3d plotting for Python in the Jupyter notebook based on IPython widgets using WebGL

Simple SQL Client for lightweight data analysis.

Source code for the Online-Go.com web interface