a parametric 3D CAD modeler
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Free and open source pattern design software
LibrePLM integrates CAD editors in Odoo / LibrERP
An EnergyPlus shell for parametric studies and more ...
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
GDSread reads and converts Calma GDS stream files .
Open-Source Multiphysics FEA (FEM) Package
Open source Matlab code for nonlinear isogeometric analysis
cppcam is a 3D CAD app for drafting G-Code toolpaths for CNC Routers
This program calculate hexagon coordinats for CNC Mill.
CAD 2D for Land Surveying and Civil
Revision control for hardware, engineering and scientific projects
This plugin exports G-Code for a wirecutter
2.5D CAD CAM emphasis on CAM and toolpaths
CNC machine code generation for 3D models
CNC control software
Binary Downloads for the RepSnapper RepRap Controller
ALST is a CAD for all imaginable logic systems (binary, ternary, etc)