Open Source Solid Modeling CAD
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
An open source Java geometry library with a focus on 2D/3D space.
Free 3D Mobile CAD
View your WKT geometries
GeoData Web Editing [core SIG Web]
MorphoLim : identifying city boundaries
build three dimensional structure
A geometry library for Java
Interactive spherical geometry software.