Blender - Blender is the open source, cross platform suite of tools for 3D creation.
FreeCAD - An open-source parametric 3D modeler
ZBrush - ZBrush is a digital sculpting and painting software solution.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
Inventor - Inventor is a 3D CAD software that lets you quickly create 3D models with embedded intelligence, intuitive workflows, and optimized performance.