a low level VRML97 tool for Unix/Linux/MacOSX and M$Windows .It can read VRML97 files, display and let the user change the scenegraph/fields. Unlike most highlevel tools, it uses a light model based on the VRML97 standard.
E. Eremin. Proceedings of the 17th International Conference on Conceptual Structures (ICCS 2009), volume 5662 of Lecture Notes in Computer Science, page 155-158. Springer, (2009)