pymol

PyMOL is a molecular graphics system targetted at medium to large
biomolecules like proteins. It can generate high-quality
publication-ready molecular graphics images and animations.
Features include:

Visualization of molecules, molecular trajectories and surfaces
of crystallography data or orbitals
Molecular builder and sculptor
Internal raytracer and movie generator
Fully extensible and scriptable via a python interface

File formats PyMOL can read include PDB, XYZ, CIF, MDL Molfile,
ChemDraw, CCP4 maps, XPLOR maps and Gaussian cube maps.

          

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License: Python-2.0
URL: http://pymol.org