FreeCAD is a parametric 3D modeler made primarily to design real-life objects of any size.

SolveSpace is a free libre and open source 2D and 3D CAD software.

Autodesk Inventor is a computer-aided design application for creating 3D digital prototypes used in the design, visualization and simulation of products.

NaroCAD is a fully fledged and extensible 3D parametric modeling CAD software.