iHOP
provides the network of genes and proteins as a natural way of accessing the millions of abstracts in PubMed. By employing genes and proteins as hyperlinks between sentences and abstracts, the information in PubMed becomes bound together into one navigable resource.
: http://www.ihop-net.org/UniPub/iHOP/
pSTIING: knowledgebase about protein-protein, ligand-receptor interactions, receptor-cell type information and signal transduction pathways: http://pstiing.licr.org/
BioGRID
a database of physical and genetic interactions for model organisms including Homo sapiens, Saccharomyces cerevisiae, Mus musculus, C. elegans, and Drosophila melanogaster: http://www.thebiogrid.org/
BisoGenet - http://bio.cigb.edu.cu/bisogenet - Bioinformatic tool for searching, visualizing and analizing molecular interactions information around a set of genes/proteins.
Cytospace: Cytoscape is an open source bioinformatics software platform for visualizing molecular interaction networks and integrating these interactions with gene expression profiles and other state data, http://www.cytoscape.org/
VisANT: a three-tier enterprise system designed specifically for the integrative visual data-mining of multi-scale Bio-Network/Pathways http://visant.bu.edu/
Network Workbench: A Large-Scale Network Analysis, Modeling and Visualization Toolkit for Biomedical, Social Science and Physics Research. http://nwb.slis.indiana.edu/