The Render Resource
- A site dedicated to information on the ART VPS PURE and RenderDrive products, and the RenderMan Graphics Standard.
- http://render.4dartists.com/

RenderDotC - Dot C Software, Inc.
- A photorealistic rendering toolkit which adheres to the RenderMan (R) standard. Supports advanced capabilities such as motion blur, depth of field, trim curves, texture, environment or displacement mapping, and programmable shading in the RenderMan Shadin
- http://www.dotcsw.com/rdc.html

Poathorizon
- The Java RenderMan bindings are an effort to allow the interaction of photorealistic modelling and rendering applications written in Java via Pixar's RenderMan API.
- http://www.posthorizon.com/RenderMan-java/

RenderMania
- Daily news, shaders and tutorials related to RenderMan and BMRT for those on a budget. Focusses on advanced techniques and sources for extra information.
- http://www.rendermania.com/

jrMan: Renderman Implementation in Java
- Project to provide an open source implementation of the REYES rendering algorithm to permit, both students and teachers, to understand how it works and experiment with it.
- http://www.jrman.org/

SiTex Graphics
- Developers of AIR a RenderMan-compatible renderer and Vshade.
- http://www.sitexgraphics.com/

Dot C Software, Inc.
- A compliant RenderMan Shading Language and RIB interface. Runs on SGI and W95/NT.
- http://www.dotcsw.com/

3Delight RenderMan
- Compliant rendering software that offers programmable shading and lighting using the standard RenderMan shading language. Software descriptions, PDF and online user manual, FAQs, and downloads. [MacOSx, Windows, IRIX, Linux]
- http://www.3delight.com/

Pixar
- Developers of RenderMan, a rendering software system for high quality, photorealistic image synthesis that Pixar uses internally and licenses to third parties.
- http://www.pixar.com/

Ayam
- A free 3D modeling environment for the RenderMan interface.
- http://www.ayam3d.org/