PyAMS (Python for Analog and Mixed Signals) CAD approach
CAD Application entire developed in Python
3D/2D Concrete Reinforcement in Bentley MicroStation
Open-Source Shoemaking
GDSread reads and converts Calma GDS stream files .
Software for electromagnetic simulation
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
Geometric kernel for CAD programs using an atomic approach
Simple CAD program
free simple dxf to gerber file converter
Precise gear geometry generator for spur and helical gears
CAD 2D for Land Surveying and Civil
Open Knowledge on engineering development.
An Open source Analysis and SImulation Toolbox for Fuel Cells
A designer’s program for describing parts of the building
OpenFOAM UI based on web
Testsuite for libdwg