An open source harness for generating CAD models
a parametric 3D CAD modeler
CADAM is the open source text-to-CAD web application
Open Source Solid Modeling CAD
Model Railway CAD program
An EnergyPlus shell for parametric studies and more ...
An interactive viewer for three-dimensional chemical structures.
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
OpenNum lets you distribute solvers with a nice graphical interface
Application Integration for HPC Multiphysics
Precise gear geometry generator for spur and helical gears
CAD 2D for Land Surveying and Civil
Linux tiny CAD for educational purposes