DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
Cross-platform Open-source 2D CAD
Static and Dynamic Structural Analysis of 2D and 3D frames.
Free 3D Mobile CAD
Free multiphysics simulation software package
A designer’s program for describing parts of the building
Cuts 3D objects from polystyrene foam (EPS/XPS)