3D game engine/framework in C, with Luajit and Python bindings now
A very efficient tutor.
Chess Database and PGN viewer
The ultimate cataloguer
Online War system for IL-2 Sturmovik and Iron Front in ArmA 2
Java Settlers
Teach your students how to figure out tricky texts in any language.
A C library for decoding .smk Smacker Video files
A fun realistic multiplayer free-and-open-source first-person-shooter!
Playing Go with web-based turn-based Go server
oGame-like browser space realtime strategy game based on xNova
Chess Database Application
Flash Quiz TV (A quiz game for all family)
scriptable game engine with built-in support for 2D graphics and sound
3D video music media player lyrics subtitles etc...
A cross-platform chess game.
Magic (the Gathering) Card Collection
3D urban environment renderer : browser-app ; as well as a GTA clone