PovSP POV-Ray v3.01 with Spline Support
Adds splines to POV-Ray 3.01.
PVMPOV- Paralell Raytracing POV-Ray v3.0
With PVMPOV you can render your images distributed to multiple machines of different types. This site also contains a link to a version for POV-Ray 3.5 on sourceforge.
POV-Ray for OpenVMS Port - POV-Ray v3.02
By Magnus Toneby