Open Source Solid Modeling CAD
Model Railway CAD program
An interactive viewer for three-dimensional chemical structures.
Draw vector graphics to scale using a descriptive language
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
Convert any image to gerber and drill files
A designer’s program for describing parts of the building
Cuts 3D objects from polystyrene foam (EPS/XPS)
Open Source CAD