ChemViz

http://chemviz.ncsa.uiuc.edu/chemviz/content/home.html

The NCSA Chemistry Visualization (ChemViz) tools, developed in cooperation with The Shodor Education Foundation, Inc., and the Indiana University Molecular Structures Center generate images of atoms, molecules, atomic orbitals and electron densities. Users submit input parameters to the ChemViz tools to create images which can be viewed within a browser.

The ChemViz tools include an image generator (Waltz), a structural database ( CSD) and a molecular editor (Nanocad) which has been developed to construct and transfer molecular data seamlessly between the ChemViz tools.