a parametric 3D CAD modeler
The programmer's solid 3D CAD modeller
A free and open source multiplatform 3D parametric modeler
Link branch FreeCAD
Examples and demos for the pythonocc CAD package
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
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.
Draw vector graphics to scale using a descriptive language
Draw curves, colored 2D maps with CAD capabilities
2D CAD software
CFDTool - Easy to Use Computational Fluid Dynamics (CFD) Toolbox
Game library for Pascal
2D CAD for precise drawing
converts between IGES file and text file
Old-school 2D game engine
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
SOLVESPACE is a free (GPLv3) parametric 3d CAD tool.
2D CAD especially designed to draw steam locomotives