Cytoscape is a software that enable the users to visualize molecular interaction networks and metabolite pathways, with their annotations, expression profils or any associated attributes.
The Cytoscape core distribution provides basic tools for data integration and visualisation. Advanced fonctionnalities are available as plugins. Plugins are, for example, network analysis toos, layouts, additional file format import /export features, scripting modules, data source connectors. Many plugins are freely available. For any information about Cystoscape, see the http://www.cytoscape.org