Links

The web is full of great sites, here are some of my favourites.

Games Development

Simon Schreibt

Breakdowns of tricks, tips and techniques used by games developers (art focused).

Fabien Sanglard

Very insightful code reviews of open source software.

Mr. F/ndotl

Great graphics demos.

Íñigo Quílez

Awesome fractals and CGI.

Galleries

ShaderToy

As many "two-triangles" shaders as you can view!

GLSL Sandbox

WARNING: OFTEN NOT SAFE FOR WORK. An anonymous "two-triangles" gallery. Users frequently "fork" one anothers' shaders, creating variations on them.