OpenGL Training Tutorials Including OpenGL ES and OpenCL

OpenGL Training Tutorials:
http://www.fdi.ucm.es/profesor/segundo/PDFs/NeHeTutorials_A4_Book.pdf

http://users.polytech.unice.fr/~buffa/cours/synthese_image/DOCS/Tutoriaux/Nehe/opengl.htm

OpenGL ES Cell Phone Programming:
http://embedded.org.ua/opengles/lessons.html

http://maniacdev.com/2009/04/nehe-opengl-tutorial-2-in-iphone-opengl-es/

OpenCL-OpenGL:
http://nklein.com/2010/06/nehe-tutorials-for-cl-opengl/

NeHe News:
http://nehe.gamedev.net/