Blender: Cross-platform 3D graphics creation suite for modeling, animation, rendering, post-production, realtime interactive 3D, game creation and playbac

Blue Book: OpenGL Reference Manual, 4th Edition - ISBN 0-321-17383-X, circa 1995; online. Documentation on how to implement OpenGL

FlightGear Flight Simulator: Open source flight simulator under GPL licence for Windows, Linux, Mac OS-X, FreeBSD, SUN/Solaris, and SGI/IRIX platforms

GLUT - OpenGL Utility Toolkit: GLUT (pronounced like the glut in gluttony) is the OpenGL Utility Toolkit, a window system independent toolkit for writing OpenGL programs. It implements a simple windowing application programming interface (API) for OpenGL. GLUT makes it considerably easier to learn about and explore OpenGL programmin

Mesa: Open source implementation of the OpenGL graphics API

Neon Helium: Extensive OpenGL programming tutorials and resources

OpenGL ES: OpenGL low-level API for embedded graphics between software applications and hardware or software graphics engines for embedded systems, cellphones, and gaming platfo

Space Invaders OpenGL: OpenGL game with source code available. For Windows 9x/ME/NT/2000/