FlightGear Flight Simulator: free open-source multiplatform flight sim
Cross-platform real-time strategy game (3D)
SDL based generic 2D game engine
Console based rcon client for minecraft servers.
Low-Level Game Engine for Retro Platforms
Multidocument automation by templates - for sphinx, mkdocs, epydoc ...
Contest Evaluation software for RU-QRP Club and others
Measuring and managing laptimes at kart-slalom races
scriptable game engine with built-in support for 2D graphics and sound
3D urban environment renderer : browser-app ; as well as a GTA clone
3D .NET engine for Windows, Linux, Mac
2D Editor to manage garden or flat plan
Design and Display Happy Cube solutions
a very lightweight advanced terrain-rendering and 3D map rendering sys
extreme 3D flight simulator with advanced terrain rendering
Mad Science
Multimedia asset management and manipulator for Étoilé