Desktop/Android/HTML5/iOS Java game development framework
Easy fine console input/output for java
Build Cross-platform Applications
scriptable game engine with built-in support for 2D graphics and sound
Realtime 3D engine for game development
Toolkit for the easy prototyping of hybrid games for Tabletop Devices
Cross-platform C framework very compact libraries and tools.
2D game creation software
C++ Framework for slot machine games
Investigo - DX9 Performance and Debugging Toolkit
A cross-platform OpenGL based lightweight scenegraph library
A powerful cross-platform and open-source 3-D rendering engine.