Patternodes is a tool for creating graphical patterns, animations, gradients or illustrations based on repetitions. This is done by defining a sequence of steps, a recipe or sorts, that describes the pattern.
Synpic is a ray tracer.
screenhack is a 3-D animation system designed to work with RenderMan-compatible renderers.
gSculpt project is an open source, procedural 3D polygon modeller.
PCity is a procedural modeling and rendering of Cities.
Raster Effects is a plugin for Adobe Illustrator which creates high quality raster images from Illustrator’s vector geometry.