- Official feedback on OpenGL 4.1 thread - OpenGL.org Discussion and Help Forums
- OpenGL - The Industry Standard for High Performance Graphics
- Official feedback on OpenGL 4.1 thread - OpenGL.org Discussion and Help Forums
- Enumerating formats and other such things in GL - OpenGL.org Discussion and Help Forums
- OpenGL News Comments - “Visual Computing: Geometry, Graphics, and Vision” companion website adds OpenGL API page and code
- OpenGL News Comments - OpenGL API-based real-time soft shadows using 4 light sources

