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a parametric 3D CAD modeler
A Cross Platform and Open Source Electronics Design Automation Suite
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
3D/2D Concrete Reinforcement in Bentley MicroStation
Open-Source Shoemaking
A Full PLM system based on odoo
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
Static and Dynamic Structural Analysis of 2D and 3D frames.
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
BoltGenerator is an automated CAD tool which produces 3D bolts.
Design your own pottery for 3D printing in full color
Free 3D Mobile CAD
Simple CAD program
A designer’s program for describing parts of the building
2.5D CAD CAM emphasis on CAM and toolpaths
3D CAM program for CNC mills/lathes
CNC machine code generation for 3D models
Autorun enabler for Autodesk Inventor VBA projects