RhinoMAN - An
advanced Rhino user interface for RIB renderers.
3Delight - a fast high quality RIB
renderer
AIR - a fast high quality
RIB renderer
Aqsis - an open source RIB renderer
RenderDotC - a fast high
quality RIB renderer
RenderMan - the RIB renderer
from Pixar
RenderMan shaders - how to code them
ShadeTree -
interactive RIB shader authoring tool