Dust3D is a cross-platform open-source 3D modeling software
About The high-speed OpenGL, OpenCL bindings library
A fully-featured OpenGL and GLFW extension for PHP
aka ogre v2 - scene-oriented, flexible 3D C++ engine
FlightGear Flight Simulator: free open-source multiplatform flight sim
3D Engine c++
3D modeler, 3D game maker, 3D demo maker
LDraw™ editor for LEGO® style digital building instructions.
Cross-platform 2D and 3D game engine
Character animation system for games and simulations.
Simple, open-source 2D graphics for everyone
3D .NET engine for Windows, Linux, Mac
A public domain cross platform 3D game
Get as many FPS as you need and amazing effects by rendering HTML/CSS
A cross-platform game framework based on OpenGL and GObject.
Cross-platform reimplementation of AMOS BASIC (runtime)
AMOS BASIC reimplementation in Java
Game engine supporting many 3D/2D formats and graphic effects
A cross-platform Java 2D graphics library using OpenGL.