Bioinformatics.org (http://www.bioinformatics.org) alone is host to 275 projects, which address a bioinformatics need by definition. In addition, Sourceforge (http://www.sourceforge.net) hosts around 750 projects categorized as ‘Bioinformatics’ including projects such as Generic Model Organism Database (GMOD), Microarray Gene Expression Data society (MGED) and Life Sciences Identifiers (LSID). There are many projects hosted by the developers’ home institutions or by other open source-devoted umbrella organizations such as the Open Bioinformatics Foundation (http://www.open-bio.org). The latter in fact hosts some of the toolkits most widely used in the life sciences, such as BioPerl and Biojava