a parametric 3D CAD modeler
Cross-platform Open-source 2D CAD
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Static and Dynamic Structural Analysis of 2D and 3D frames.
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
3D/2D Reinforced Concrete in Bentley MicroStation
converts between IGES file and text file
CFDTool - Easy to Use Fluid Dynamics (CFD) MATLAB Toolbox
A Windows-based viewer currently supporting CDR & 2D DXF files
Design your own pottery for 3D printing in full color
2D CAD especially designed to draw steam locomotives
CAD 2D for Land Surveying and Civil
This plugin exports G-Code for a wirecutter
2.5D CAD CAM emphasis on CAM and toolpaths
2D Frame Analysis, Linear Static Analysis, Mode Shapes
A finite element data exchange system