In Medieval Europe, early forms of mime such as mummer plays and later dumbshows evolved. Mummer is an Early Modern English term for a mime artist. In Medieval Europe, early forms of mime, such as mummer plays and later dumbshows, evolved. By 1964, only one African American mummer, Willis Fluelling, remained. The Feast of Fools includes mummer plays. XTC's previous album "Mummer" was their first work after resigning from live performances in 1982. These include FASTA, the BLAST family, QUASAR, MUMmer, SENSEI, SIM, and REPuter. The MUMmer software is open source and can be found at the MUMmer home page. TIGR developed the gene finder GLIMMER and the sequence alignment program MUMmer. Each mummer maintains his own costume, repairing it as necessary. MUMmer is a bioinformatics software system for sequence alignment. Strictly speaking, a mummer is an actor in a traditional seasonal folk play. The acronym "MUMmer" comes from "Maximal Unique Matches", or MUMs. MUMmer is a highly cited bioinformatics system in the scientific literature.