Genamics SoftwareSeek is a respository and database of freely-distributable and commercial tools for use in molecular biology and biochemistry. Windows, MS-DOS, Mac, Unix and Linux platforms are supported, as well as online tools. http://genamics.com/software/index.htm
Software Tools - TIGR is making a number of software tools freely available to the scientific community. http://www.tigr.org/softlab/
SPSS Science provides the leading data mining workbench Clementine as well as scientific software designed for data analysis, graphic presentation, statistics, Enzyme Kinetics, Ligand Binding and image analysis. http://www.spssscience.com/