FreeCAD - An open-source parametric 3D modeler
AutoCAD MEP - AutoCAD MEP software helps you draft, design, and document building systems.
Rhino 3D - To be an effective designer today, you need tools to quickly develop your designs and accurately communicate them to everyone in the product research.
DataCAD - DataCAD is a computer-aided design and drafting software for 2D and 3D architectural design and drafting
Catia - CATIA (Computer Aided Three-dimensional Interactive Application) (in English usually pronounced /k?
AutoCAD Arch - Design and document more efficiently with the AutoCAD Architecture toolset, created specifically for architects.