VRforCAD developed in Java and Java3D API, combines two systems: Computer-aided design (CAD) system and Virtual Reality system with its special equipments for visualization and manipulation. See more at: http://www.vrforcad.org
The PARSEC CEE is the primary achievement of several years of effort at NASA's Marshall Space Flight Center. The CEE was developed to allow engineers in the Advanced Concepts Department to rapidly prototype launch vehicle and spacecraft concepts.