An open source harness for generating CAD models
Virtual Satellite
a parametric 3D CAD modeler
Free and open source pattern design software
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
conducteö - logiciel de calcul des ponts thermiques linéiques
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
An EnergyPlus shell for parametric studies and more ...
GDSread reads and converts Calma GDS stream files .
Open source Matlab code for nonlinear isogeometric analysis
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
CAD 2D for Land Surveying and Civil
This plugin exports G-Code for a wirecutter
A designer’s program for describing parts of the building