The Swiss Institute of Bioinformatics offers databases and software tools for bioinformatics work in many areas of study. You can search the collection or use filters to see the tools available for research areas such as genes & genomes, proteins & proteomes, evolution & phylogeny, structural biology, and systems biology.
HMMR is a server that offers fast and sensitive homology searches, as well as interactive visualizations of results. It is a collaboration of the European Bioinformatics Institute (EBI) and the Howard Hughes Medical Institute (HHMI).