FreeCAD - An open-source parametric 3D modeler
Microsoft 3D Builder - View, capture, personalize, and print 3D models.
VARKON - Varkon is a very powerful parametric 2D/3D CAD, modeling and application development tool for...
Vectorworks - Vectorworks 2D / 3D CAD and BIM software for Mac or Windows provides one flexible solution for your entire design process. Sketch, model, and present with the ultimate software from start to finish.
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
ArchitectureQuote - Disruptive DealFlow Software in the Architecture Industry