MEDUSA4 Personal, the free version of the company’s 2D/3D CAD suite, is suitable for hobby engineers who build models from scratch or professionals who design model engineering kits. MEDUSA4 Personal, ...

DraftSight 2D CAD software, which lets users create, view, and edit DWG and DXF files, is free -- and it comes with its own online social-networking communities. Online communities for DraftSight, www ...