MSDN Academic Alliance
OpenGL main site
www.opengl.org
OpenGL Redbook
http://www.glprogramming.com/red/
OpenGL Bluebook
http://www.glprogramming.com/blue/
OpenGL Sample codes
https://www.khronos.org/opengl/wiki/Code_Resources
OpenGL SuperBible
http://www.openglsuperbible.com/
OpenGL Extension Viewer
http://www.realtech-vr.com/glview/
FreeGlut
OpenGL Video Tutorials
http://www.videotutorialsrock.com/
Xcode GLUT
http://cit.cs.dixie.edu/cs/cs3600/xcode-glut
OpenGL Simple Samples
More sophisticated OpenGL Samples
Redbook Samples
GLUT distribution example programs
GLUT demos from "Advanced Programming in OpenGL" course
GLUT distribution contributed samples
GLUT samples from "Advanced Programming in OpenGL" course