HBPlus A hydrogen bond calculation program v 3.0 and is primarily intended for academic use. Calculates the geometries of all hydrogen bonds as well as neighbour interactions, hydrogen positions and many other calculations. It may require to much memory to run on a home IBM PC or Apple Macintosh. G.P.O. 6 amu, Silver. Net A free demo version of CS Chemoffice especially designed for viewing chemical structures on the WWW and was developed by CambridgeSoft .The program is pretty basic, but has many interesting models you can play around with.
Some processes require special scripts for certain functions.
Beware, software is provided on an as-is basis. G.P.O. 6 amu, Aluminum. This site is offered by the American Chemical Society and offers many free demos of chemistry related programs. This site contains 15 potential chemistry programs mostly for MS Windows. G.P.O. 7 amu, Silver.