SketchUp - 3D for Everyone
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
FreeCAD - An open-source parametric 3D modeler
Sweet Home 3D - Sweet Home 3D is a free interior design application that helps to draw the plan of house, arrange furniture on it and visit the results in 3D.
picoCAD - A game jam from 2021-03-05 to 2021-03-11 hosted by Munro & Johan Peitz. Make something in picoCAD, the latest and greatest low-poly pixel-art 3D modeler. No prior 3D experience required. All skill levels welcome! Theme Bui...
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.