a parametric 3D CAD modeler
The programmer's solid 3D CAD modeller
A free and open source multiplatform 3D parametric modeler
CAD Draw, CAD Control, printing, C/C++,.NET Source Codes
Link branch FreeCAD
Examples and demos for the pythonocc CAD package
Cross-platform Open-source 2D CAD
An interactive viewer for three-dimensional chemical structures.
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Static and Dynamic Structural Analysis of 2D and 3D frames.
A Full PLM system based on odoo
2D CAD software
Draw vector graphics to scale using a descriptive language
Draw curves, colored 2D maps with CAD capabilities
A Windows-based viewer currently supporting CDR & 2D DXF files
3D/2D Concrete Reinforcement in Bentley MicroStation
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
2D CAD for precise drawing
converts between IGES file and text file
CFDTool - Easy to Use Fluid Dynamics (CFD) MATLAB Toolbox
SOLVESPACE is a free (GPLv3) parametric 3d CAD tool.
E-XD++ Visualization Source Code Library with C++
Design your own pottery for 3D printing in full color
2D CAD especially designed to draw steam locomotives