FreeCAD - An open-source parametric 3D modeler
Altair Inspire - Altair Inspire enables design engineers, product designers, and architects to create and investigate structurally efficient concepts quickly and easily.
SolidWorks - Dassault Systèmes SolidWorks Corp. develops and markets 3D CAD design software, analysis software, and product data management software. SolidWorks is the leading supplier of 3D CAD product design engineering software.
ANSYS SpaceClaim - SpaceClaim 3D Modeling Software Solves Geometry Problems Fast.
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.
ArtiosCAD - ArtiosCAD is a specialized software developed by Esko.