open-source

Free coding curriculum with certifications

Open-source learning management system for 300M+ learners

Creative coding library for artists, designers, and beginners

Naked blogging platform for minimalists

Free, open-source chess server powering millions of games daily

Open-source factory-building tower defense game

Open-source voxel game engine — build your own block worlds

Open-source transport tycoon simulation

Open-source multiplayer RPG inspired by Cube World

Open-source kart racer with online multiplayer

Open-source turn-based strategy with fantasy setting

Minimalist, federated blogging platform