OpenGL Books and Tutorials

OpenGL related Books

The 'red book' (start here when in doubt)

OpenGL Programming Guide for Mac OS X

Programming with OpenGL: Advanced Rendering

GPU Gems 1

GPU Gems 2

GPU Gems 3

OpenGL related Tutorials

Transforms & Drawing

Step by Step, from a Triangle to more complex scenes

Lots of Extension-related Examples

Misc. advanced Tutorials

GLSL related Tutorials

Compilation, Linking & State

Material & Lighting

Articles, Demos & Research Papers

Old Website, Forum is a goldmine

Misc. advanced Demos /w Source

Voxel & Raytracing