Rocket 3F - Rocket 3F is polygonal modeller created for Concept Artists and Designers.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Corona Renderer - Corona Renderer delivers high quality, physically-based shading in production rendering.
Cinema 4D - Cinema 4D is a 3D modeling, animation, motion graphics and rendering application.
K-3D - K-3D is free-as-in-freedom 3D modeling and animation software.
Autodesk Maya - Maya is 3D computer animation software with powerful modeling, rendering, simulation, texturing, and animation tools for artists, modelers, and animators.