Free software for working with and managing nucleotide sequences in multiple formats. Many features including sequence annotation, restriction analysis, pattern searching, retrieval from servers. Released under GNU Public Licence.

BiBiServ supports Internet-based collaborative research, software development and distance education in bioinformatics.

BioLisp.org is a public resource supporting scientists who use Lisp to develop intelligent applications in the biological sciences. We collect and disseminate Lisp biocomputing code, and gather pointers to Lisp and other Intelligent BioComputing methods.

Tools that searches multiple biomedical databases from your desktop.

An interactive tool for peptide and nucleotide sequence analysis

Freeware DNA cloning, analysis and visualization software.

NSF supported project to make old computers accessible to new software in bioinformatics. Provides transitional and supplemental support, especially in structual biology, for software packages on various platforms.

Bibliographic site for management and alignment of bacteria and fungi sequences.

The Bioconductor project produces an open source software framework that will assist biologists and statisticians working in bioinformatics, with primary emphasis on inference using DNA microarrays, built mostly using R.

Simple but powerful data exchange language, suitable for serializing biological data objects.