Bioclipse is a rich-client platform chemistry and
biology workbench. It provides access to many open
source bioinformatics and chemoinformatics
toolkits and has plugins for the Chemistry
Development Kit, JChemPaint, Jmol, and BioJava.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.