Open Source Solid Modeling CAD
CADAM is the open source text-to-CAD web application
Examples and demos for the pythonocc CAD package
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
Software for electromagnetic simulation
Cross-platform Open-source 2D CAD
Convert any image to gerber and drill files
Static and Dynamic Structural Analysis of 2D and 3D frames.
A canvas library for generating technical drawings
Linux tiny CAD for educational purposes
COPanno optimizes the panels cuts.
Free multiphysics simulation software package
Convert DXF drawings of circuit boards to gEDA-PCB files.
A designer’s program for describing parts of the building