Shader editor and gallery
Console-based GLSL Sandbox for 2D/3D shaders shaders
A toy physically based GPU path tracer (C++/OpenGL/GLSL)
Easily construct fragment shader graphs
GLSL shader prototyping tool based on Eclipse IDE.
Simple WebGL Fragment Shader Editor
GPU Fragment Shaders Repository - GLSL
ShaderView - a simple stand-alone program to run GLSL fragment-shaders
A live OpenGL fragment shader compiler and viewer
Show binary data
Unified renderer implementation ("Un r imp")