Inventor - Inventor is a 3D CAD software that lets you quickly create 3D models with embedded intelligence, intuitive workflows, and optimized performance.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
IronCAD - IronCAD is intuitive 3D CAD software that increases efficiency and can be used standalone or to complement an existing design environment.
FreeCAD - An open-source parametric 3D modeler
Ayam - Ayam is a free 3D modelling environment for the RenderMan interface, distributed under the BSD...
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming