An open source harness for generating CAD models
A CAD application for creating virtual LEGO models
CADAM is the open source text-to-CAD web application
Open-Source Shoemaking
a parametric 3D CAD modeler
Free and open source pattern design software
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Virtual Satellite
conducteö - logiciel de calcul des ponts thermiques linéiques
The CompassCAD you know and love, just better.
AxisFlow is a precision drawing assistant for FreeCAD
CAD Application entire developed in Python
An EnergyPlus shell for parametric studies and more ...
Solve Alignment of Road , Rail,Tunnel
Free, open-source storm sewer design: Rational, Manning, HGL, HEC-22
very good CAD software
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
A Cross Platform and Open Source Electronics Design Automation Suite
GDSread reads and converts Calma GDS stream files .
A math-inspired CAD program in haskell. CSG, bevels, and shells
Software for electromagnetic simulation