Free RealTime Raytracer for Nurbs

 From:  Frenchy Pilou (PILOU)
3037.1 
Augenblick
http://www.numenus.de/index_en.html
A particular unique feature is the direct support of complex free form surfaces (NURBS and Bézier), which means no triangulation is required. Further details about the technology, features and licensing options can be found on our product page.

And also for massive numbers of polygons!(Multi millions)

EDITED: 29 Oct 2009 by PILOU