Cross-platform Open-source 2D CAD
Toolkit for working with and mapping geospatial data
Draw vector graphics to scale using a descriptive language
Another drawing editor for LaTeX with PSTricks & TikZ
Nesting SDK, Library
Converts between many 3D data formats
CAD 2D for Land Surveying and Civil
Convert DXF drawings of circuit boards to gEDA-PCB files.
library to read dwg & read/write dxf files
CAD 2D for Land Surveying,Civil and more
collection of illustrative programs:small games, simulators: C, Matlab
Qt library for viewing DXF files