Chemist's Art Gallery
   Visualization is a key to understanding how molecules behave and react, and in designing chemicals for particular purposes. The Chemist's Art Gallery contains visualizations and animations in chemistry done at the Center for Scientific Computing, Finland.
   http://www.csc.fi/chem/gallery.phtml

Chemistry Hypermedia Project
   On-line educational hypermedia for general chemistry, analytical chemistry, instrumental analysis, optics, and electronics.
   http://www.chem.vt.edu/chem-ed/

Chemistry Visualization Program at NCSA (ChemViz)
   Chemviz is a program which uses the power of the World Wide Web in combination with the power of the SGI supercomputer to generate images of atoms, molecules, and atomic orbitals. The user inputs a set of parameters as they are prompted and submits these
   http://chemviz.ncsa.uiuc.edu/

ComChem
   A student's site presenting visualizations and animations of organic, inorganic and biochemical molecules.
   http://www.comchem.de/

Molecules from Chemistry at Okanagan University College
   1100+ molecular models in .pdb or .mol format.
   http://www.ouc.bc.ca/chem/molecule/molecule.html

Organic Chemistry at Centre College
   Tutorials to help organic chemistry students visualize molecules and changes in molecules. Changes covered include conformations and reactions (substitution and elimination).
   http://web.centre.edu/muzyka/organic/organic.htm

X-ray Spectra
   Contains x-ray spectra of elements on the periodic table. The spectra are drawn with a java applet.
   http://ie.lbl.gov/xray/