Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Lasergist - Your custom design in pure, laser-cut stainless steel
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.
Glowforge - The 3D laser printer
ZBrush - ZBrush is a digital sculpting and painting software solution.
FineToon.net - Create caricatures of you and your friends