ReShade is a generic post-processing injector for games and videos.
A free 3D game engine to create games and realtimes scenes for Windows
Modern 3D engine and IDE written using C# and C++.
Asphyre is a cross-platform framework for Delphi and FreePascal.
3D .NET engine for Windows, Linux, Mac
Kinect based controller.
The classic intelligent role playing game
C++ SDL/Box2d Programming
A cross-platform Java 2D graphics library using OpenGL.