Berkeley Drosophila Genome Project - Sequence of the euchromatic genome of drosophila melanogaster and to generate and maintain biological annotations of this sequence. Includes databases, tools, and publications. TIGR Drosophila Gene Index - A collection of known and predicted gene sequences from EST, cDNA and genomic data. Flytrap - An interactive database for displaying gene expression patterns, in particular P[GAL4] patterns in the fly brain. Fly Base - A comprehensive database for information on the genetics and molecular biology of Drosophila. Flybrain - An online atlas and database of the drosophila nervous system. Includes 3D models and summary diagrams of the brain. Gene Net: Drosophila melanogaster - Gene expression pattern images and developmental gene network diagrams.