Pixie is a RenderMan like photorealistic renderer. It is being developed
in the hope that it will be useful for graphics research and for people
who can not afford a commercial renderer.

Some of supported features:
* All RenderMan 3.4 primitives
* Programmable shading (RenderMan Shading Language)
* High quality texture/shadow/environment mapping
* High dynamic range input/output
* Raytracing
* Motion blur
* Depth of field
* Reyes style rendering (very fast)
* Occlusion culling
* Area light sources
* Network parallel rendering
* DSO shaders
* Global illumination
* Photon mapping

WWW: https://sourceforge.net/projects/pixie/