Freeware and Shareware Sources

• The BioCatalog   The EBI list of molecular biology software for Unix, Macintosh, DOS and Windows.
• Molecular Linux   Links to a range of molecular biology analysis software for Linux.
• Biochemistry and Molecular Biology Software   A comprehensive list of software packages maintained by the University of Manchester, England.
• DataSplash (Tioga-2)   The Tioga Project's database visualisation environment.
• The ISIS/Draw chemical drawing package.   A very good Windows/Mac chemical drawing package which supports MOL, TGF and RXN formats. The licence is free for personal and academic use. It supports OLE under Windows, so you can paste or link into word-processors, spreadsheets or presentation packages.
• The PHYLIP homepage   Joe Felsenstein's PHYLogeny Inference Package at the University of Washington.