IronCAD - IronCAD is intuitive 3D CAD software that increases efficiency and can be used standalone or to complement an existing design environment.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Inventor - Inventor is a 3D CAD software that lets you quickly create 3D models with embedded intelligence, intuitive workflows, and optimized performance.
Sculptris - Sculptris: Enter a world of digital art without barriers.
ShapeShop - ShapeShop is an advanced and professional 3D design and modeling application that comes with an easy-to-use and user-friendly interface.
Ayam - Ayam is a free 3D modelling environment for the RenderMan interface, distributed under the BSD...