Desktop/Android/HTML5/iOS Java game development framework
C++ OpenGL 3D Game Dev Lib [moved to: play.ru.net/src]
Vivid is a modern C++ 3D engine using OpenGL4+
Karel - 3D language interpreter
c++ game
A cross-platform OpenGL based lightweight scenegraph library
An OpenGL sample application
Zen3D is a 3D engine and editor for creating games