SolidCraft: an open-source parametric 3D CAD application
CADCraft: computer-aided design and drafting
CADAM is the open source text-to-CAD web application
DSpice: Design and Simulation of Circuits using Spice
Free, open source parametric CAD
A Full PLM system based on odoo
very good CAD software
PyAMS (Python for Analog and Mixed Signals) CAD approach
The CompassCAD you know and love, just better.
LibrePLM integrates CAD editors in Odoo / LibrERP
Free software for maps
A canvas library for generating technical drawings
The road cutting and filling quantity analyser and report producer app
A finite element data exchange system