Misfit Model 3D - Misfit Model 3D is a 3D model editor that basically operates with triangle-based models.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Wacom MobileStudio Pro - Wacom MobileStudio Pro is one of the most powerful graphic design software that comes with lots of creative tools that packed into the free pen computer, which features the Wacom Pro Pen 2.
ZBrush - ZBrush is a digital sculpting and painting software solution.
meshmixer - meshmixer is an experimental 3D modeling tool for making 3D mashups without too much hassle.
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.