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Sequence comparision and search programs, including the rigorous Smith-Waterman algorithm (in FastA and Ssearch) - from the IGH, Montpellier FR.

Software toolkit for building and using motif-based hidden Markov models of DNA and proteins - from the Univ. of California-San Diego.

Detection and assessment of similarity between distantly related sequences by means of a variety of remotely-executable software - from the Swiss Inst. for Experimental Cancer Research.

Sensitive, selective, and rapid sequence database searching with gapped alignments - from Washington Univ.-St.Louis.