GenBank, provides views for a variety of genomes, complete chromosomes, sequence maps with contigs, and integrated genetic and physical maps
Ensembl, provides free access to all the data and software from the Ensembl project which produces and maintains automatic annotation on selected eukaryotic genomes
GenomeNet, a database and computational services for genome research and related research areas in biomedical sciences
UCSC Genome Browser, contains the reference sequence and working draft assemblies for a large collection of genomes
MGI, provides access to data on the genetics, genomics, and biology of the mouse
MGBD, a database for comparative analysis of completely sequenced microbial genomes
SGD, a scientific database of the molecular biology and genetics of the yeast Saccharomyces cerevisiae
