Links of possible interest for Ray++ users:
The Ray++ mailing lists
Join the discussion about Ray++!
A multi-platform modeller using Ray++ being developed by
The GNU Compiler Collection. If you need a near-standard, free C++ compiler, this is the place to look.
A documentation system for C++, developed by
Dimitri van Heesch
A very sophisticated C++ ray tracer. Check out the galleries!
Another promising ray tracer in C++. Unfortunately, the code has not been released yet.
This program is a framework for 3D graphics production. It is part of the GNU project.
Ugo Varetto's Ray++ page