Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Putty3D - SCULPT ANYTIME, ANYWHERE
ZBrush - ZBrush is a digital sculpting and painting software solution.
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
forger - forger is a digital sculpting application for the artist who wants to be able to sculpt anywhere.
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.