===== Visualization Programs =====

[[http://www.jp-minerals.org/vesta/en|VESTA]] is a 3D visualization program for structural models, 
volumetric data such as electron/nuclear densities, and crystal morphologies. 
VESTA runs on Windows, Mac OS X, and Linux. It is contributed free of charge for non-commercial users. 

[[http://www.avogadro.cc|AVOGADRO]] is an advanced molecule editor and visualizer 
designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, 
materials science, and related areas. 
It offers flexible high quality rendering and a powerful plugin architecture.
Easy to install and all source code is available under the GNU GPL. 
Cross-Platform: Linux, and Mac OS X.

[[http://www.xcrysden.org|XCrysden]] is a crystalline and molecular structure visualization program aiming 
at display of isosurfaces and contours, which can be superimposed on crystalline structures and interactively rotated and manipulated. 
It runs on GNU/Linux, MAC OSX (requires X11) and Windows (requires CYGWIN).