If you use these PROTOs, please let me know. I'd like to include links to use cases on these pages.
The GeoVRML Working Group. Includes PROTO implementations of the GeoVRML nodes.
2D GUI-inspired 3D widgets.
NURBS.
UI widgets.
PROTOs for texture generation.
Timing and logic PROTOs.
Got PROTOs? E-mail me with your link.