PyAMS (Python for Analog and Mixed Signals) CAD approach
3D/2D Concrete Reinforcement in Bentley MicroStation
GDSread reads and converts Calma GDS stream files .
Software for electromagnetic simulation
Open-Source Shoemaking
Open source Matlab code for nonlinear isogeometric analysis
Static and Dynamic Structural Analysis of 2D and 3D frames.
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
Helps with the Mach3 CNC Threading functionality
Free CAD software
Demonstrates a quadtree for spatial indexing of triangles
Geometric kernel for CAD programs using an atomic approach
Free 3D Mobile CAD
Packing two dimensional rectangular elements at orthogonal table
Simple CAD program
Precise gear geometry generator for spur and helical gears
CAD 2D for Land Surveying and Civil
An easy and flexible mathematical programming environment for Python.