VENUS system
VESTA is a 3D visualization program for structural models and 3D grid data such as electron/nuclear densities.
VESTA runs on three major platforms, Windows, Mac OS X, and Linux.

CrystalMVP logo CrystalMAP
CrystalMAP is a Java applet to embed 3D morphology models in html documents. It will draw any single crystal and most twins, and some of epitaxial intergrowths.

PowderPlot logo PowderPlot
A tiny utility to visualize Rietan-2000's output files. There is also an applet whitch enables to embed powder patterns in html documents.