AAWorks: Collection of programs for analysing protein sequences in the form of text files of single-letter amino acid codes.Chris Johnson's Graphing: GraphDraw, Multiplot, ChartDraw, FNPlotter, Surface, 3DFNedit and Textdraw graphic representation software.DNAWorks: Collection of programs for manipulating DNA sequences in the form of text files.Molecular and Cell Biology: Collection of useful software.RasMol: Molecular visualisation tool, from MW Software.Tau: Graph creating program designed to give publication-quality results first time around.