0 A.D. is a free, open-source, cross-platform real-time strategy game.
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
Virtual X-Ray Imaging Library on GPU
Open source FPS/RTS Game
Pycraft is an open-source, OpenGL based game made in Python
Collection of utility functions
Portable ZX-Spectrum emulator based on UnrealSpeccy 0.37.3 by SMT
crossplatform multithreaded object-oriented render and audio engine
Lightweight Shaders for Intel HD Graphics - (Chocapic13' Shaders edit)
2D Game Engine
The Free and Open Source Music Visualizer Tool
SDL/OpenGL/OpenCL based particle simulation.
Java 2D graphics/utility library
Live Trace Visualization for Large Software Landscapes
Vehicle simulation with freedom of movement on large map (5x5km).
Opensource RTS game
Pear3DEngine is a modern and modular 3D development framework
A generalization of Conway's Game of Life