Cytoscape is an open-source platform for biological network data integration, analysis, and visualization, recently updated to version 3.4 with new features such as a network view manager, app collections, and performance improvements. The platform supports web applications via Cytoscape.js, which allows users to share and visualize network data interactively. The document discusses enhancements aimed at improving user experience and acknowledges the importance of a strong community for continuous development and support.