Examples and demos for the pythonocc CAD package
Cross-platform Open-source 2D CAD
An interactive viewer for three-dimensional chemical structures.
Model Railway CAD program
Static and Dynamic Structural Analysis of 2D and 3D frames.
Convert any image to gerber and drill files
Draw vector graphics to scale using a descriptive language
Software for electromagnetic simulation
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
A canvas library for generating technical drawings
Open Source Solid Modeling CAD
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
library to read dwg & read/write dxf files