Based only on texture coordinates some interesting shaders can be built. In this new section of the GLSL Core Tutorial, a few common shaders, namely the stripes and grid shaders, will be explored. Basic antialising and GLSL functions mix and smoothstep will also be discussed. Source code and a VS2010 solution are also provided.
Glow and Bloom is the latest article on this great series that presents graphic effects with source code, theory, and a WebGL demo.
The series already has 8 articles starting with the basics of lighting and exploring several effects. Many more are to be released according to the index.
Self Shadow has published a collection of links for the 2012 Siggraph’s materials. This includes courses, BOFs, talks, posters, etc… Also available is a collection of links for Siggraph 2011.
Some materials of Lighthouse3D have been translated to Turkish by Mümin Güler and are available at http://opengltr.blogspot.com/. The contents include most of the GLUT tutorial, GLSL tutorial, and picking tutorial.
ShareCG is a site with a huge amount of modelling tutorials, 3D models for download, and textures.