Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Sculptris - Sculptris: Enter a world of digital art without barriers.
AutoCAD MEP - AutoCAD MEP software helps you draft, design, and document building systems.
Sketchfab - Sketchfab is an industrial design software tool is useful for ideation and for beginners in the industrial design field.
DataCAD - DataCAD is a computer-aided design and drafting software for 2D and 3D architectural design and drafting
ShapeShop - ShapeShop is an advanced and professional 3D design and modeling application that comes with an easy-to-use and user-friendly interface.