INSTEAD - Simple Text Adventure Interpreter.
Game engine supporting many 3D/2D formats and graphic effects
8-bit Graphical API for Java
Asphyre is a cross-platform framework for Delphi and FreePascal.
Perl bindings to the Modern OpenGL API
3D .NET engine for Windows, Linux, Mac
Built to be ease of use, with no programming knowledge, Multi-platform
A generic 2D engine for any kind of game
C++ game libraries plus server.
Extremely simple joystick rumble / vibration library
A graphics engine + toolkit.
Pear3DEngine is a modern and modular 3D development framework
DiaT is a Textadventure
Multi-Language Wrapper Collection for the Irrlicht Engine
Read and write PGN format and test moves for legality.