Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Strata Design 3D CX - Strata Design 3D CX is a professional-level 3D modeling and animation software for Mac that delivers end-to-end power for the entire 3D design workflow.
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
PathEngine - PathEngine is a middleware toolkit for the implementation of intelligent agent movement, built around and implementation of points-of-visibility pathfinding on 3D ground surfaces.
Autodesk Maya - Maya is 3D computer animation software with powerful modeling, rendering, simulation, texturing, and animation tools for artists, modelers, and animators.
ZBrush - ZBrush is a digital sculpting and painting software solution.