0 A.D. is a free, open-source, cross-platform real-time strategy game.
Soccer-themed 3D Sokoban Game
Scanning Probe Microscopy Controller and Data Visualization Software
3D platform action adventure with momentum-based flying
A java 3d simple virtual celestial globe. Source code available
Unique 3D slider puzzle that looks like a rubics cube.
linux
Stereo Photo Manipulation
kid-friendly retro point & click 3D OpenGL "adventure" game
This compiler is focusing on easy gui layout (text) and databases.
Advanced map editor
In this 2D plateformer, you may have to save our friends & Candy.
Cross platform SDK
rayshade and POV for Mathematica Export + view
A Python toolbox for gaining geometric insights
Growth-grammar related Interactive Modelling Platform
Vivid is a modern C++ 3D engine using OpenGL4+
Source port of Doom, Heretic, Hexen and Strife developed in Delphi
a simple virtual world editor
NETGEN is an automatic 3d tetrahedral mesh generator
3D third person platform shooter
Go 3D Game Engine