The Ensembl Project 
Ensembl is a joint project between EMBL-EBI and the Sanger Centre to develop a software system which produces and maintains automatic annotation on eukaryotic genomes.
http://www.ensembl.org/The Bioinformatics Organization, Inc.
Bioinformatics society open to all people. Strong emphasis on open access to biological information as well as Free and Open Source software.
http://bioinformatics.org/
The International Society for Computational Biology
The International Society for Computational Biology is dedicated to advancing the scientific understanding of living systems through computation; the emphasis is on the role of computing and informatics in advancing molecular biology.
http://www.iscb.org
European Molecular Biology Network
EMBnet is the only organisation world-wide bringing bioinformatics professionals to work together to serve the expanding fields of genetics and molecular biology.
http://www.embnet.org/
Society for Bioinformatics in the Nordic Countries
SocBiN is a non-profit organisation for people working with and interested in bioinformatics. One task of the society is to arrange annual conferences on Bioinformatics.
http://www.socbin.org/
DNA Structural Atlas
Easy-to-use summary of genomic information currently available for all organisms-from the Technical Univ. of Denmark.
http://www.cbs.dtu.dk/services/GenomeAtlas/
Bioinformatics and Biological Computing
A bioinformatics site, with access to multiple database searching and sequence analysis tools - from the Weizmann Institute of Science.
http://bip.weizmann.ac.il/index.html
Bioinformatics Resources
Resource for searching genetic databases, online tools, journals, and recent news.
http://www.genet.sickkids.on.ca/bioinfo_resources/
Wikiomics
Editable by the whole bioinformatics community, Wikiomics provides bioinformatics tutorials and reviews that are kept up-to-date by the readers themselves.
http://wikiomics.org/wiki/Main_Page
