Bioinformatics.Org is a nonprofit academic organization that is committed to promoting the free exchange of biological information. This Web sitecurrently hosts 48 research projects, along with free software and news. The Frequently Asked Questions section provides an overview of the field of bioinformatics, other resources, and career information. Even though free, registration is required to access some sections of the site. (Note: At the time of publishing, this Web site was down for routine maintenance.)