pymol - PyMOL is a powerful and comprehensive molecular visualization product for rendering and animating...
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
VMD - Visual Molecular Dynamics - VMD - Visual Molecular Dynamics, molecular graphics software for MacOS X, Unix, and Windows
Sculptris - Sculptris: Enter a world of digital art without barriers.
UCSF Chimera - UCSF Chimera is a highly extensible program for interactive visualization and analysis of molecular...
ZBrush - ZBrush is a digital sculpting and painting software solution.