OpenGL

From RogueBasin

OpenGL
Library project
Developer	Silicon Graphics International
Released	1.0
Updated	Aug 2 2006 (2.1)
Status	Stable
Licensing	SGI Free Software License B
P. Language
Platforms	Windows, Mac OS X, Linux
Dependencies
Official site of OpenGL

OpenGL is a good cross-platform 3D library. It is generally programmed in C or C++ and is easy to learn, but requires 3D hardware acceleration for good performance.