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
Testsuite for libdwg
library to read dwg & read/write dxf files
Software for design single skin kites, speedgliders and paragliders
Qt library for viewing DXF files