Mac OS X and Windows OpenGL 3D Engine tools, content and code to create games and applications. Newton physics, OpenAL sound with OGG Vorbis, Lua, Revolution, written in C.
Math game where up to 4 students can play online against each other. By moving their figurines around a colorful pseudo 3D board, players answer math questions and can play tricks against their opponents. Client and server distributed under Affero GPL 1.