Industrial design files for Keychron keyboards and mice
A python parametric CAD scripting framework based on OCCT
Another drawing editor for LaTeX with PSTricks & TikZ
Nesting SDK, Library
Converts between many 3D data formats
Software for calculating geometric properties of cross sections
library to read dwg & read/write dxf files
Software for design single skin kites, speedgliders and paragliders
DXF to Kicad Module File Converter
Qt library for viewing DXF files