Commercial Interest In Open-Source 3D Environment

cellulama writes "Is virtual reality back? A commercial vendor has started developing for Croquet, which is an open-source tool for collaborating and sharing data, with an emphasis on 3D visualization. The system was developed at the University of Wisconsin-Madison for research and "co-creativity," but a company named 3Dsolve is looking for military applications. What's next -- open-source America's Army?"