HakanSeven12 / OpenCADStudio

Open-source 2D drafting and 3D modeling application for desktop and web, reading and writing DWG and DXF files.

openscad / openscad

OpenSCAD - The Programmers Solid 3D CAD Modeller

DomCR / ACadSharp

C# library to read/write cad files like dxf/dwg.