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
Examples and demos for the pythonocc CAD package
Cross-platform Open-source 2D CAD
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
An interactive viewer for three-dimensional chemical structures.
Static and Dynamic Structural Analysis of 2D and 3D frames.
Draw vector graphics to scale using a descriptive language
Draw curves, colored 2D maps with CAD capabilities
CFDTool - Easy to Use Fluid Dynamics (CFD) MATLAB Toolbox
2D CAD for precise drawing
3D/2D Reinforced Concrete in Bentley MicroStation
converts between IGES file and text file
A Windows-based viewer currently supporting CDR & 2D DXF files
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
2D CAD software
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
CAD 2D for Land Surveying and Civil