CADCraft: computer-aided design and drafting
3D CAD application
A CAD application for creating virtual LEGO models
An open source harness for generating CAD models
Libre and open source desktop application to create diagrams
Open-source parametric 3D CAD for makers
Ink/Stitch: an Inkscape extension for machine embroidery design
A set ot tools for surveyors addon to many CAD environments
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Any tools for CIMCO Software (mostly CIMCO Edit), CIMCO Edit crack
Electric Design Tool
A 2D CAD application for civil engineering , built with Free Pascal
EPA SWMM editor with 2D overland flow, 1D-2D coupling and sewer design
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
A math-inspired CAD program in haskell. CSG, bevels, and shells
Free 3D Mobile CAD
Precise gear geometry generator for spur and helical gears
An easy and flexible mathematical programming environment for Python.
Visual comparison tool for difference in image and CAD files.
Portable feed & speed calculator for turning and milling
Open Knowledge on engineering development.
3D CAM program for CNC mills/lathes
A package for Isogeometric Analysis in Octave and Matlab