Update: I do not plan any further releases of Fragmentarium. For an actively maintained version, please see this fork: https://github.com/3Dickulus/FragM
Fragmentarium is a cross-platform application for exploring pixel based graphics on the GPU.
Features:
Fragmentarium is built in C++, OpenGL/GLSL, and Qt 5.
For more information see: http://syntopia.github.com/Fragmentarium