Tabnetviz is described as 'Table-based network visualizer. Tabnetviz generates network visualizations from node and edge properties provided in tables. The node and edge properties can be mapped to visual attributes in several ways' and is an app in the OS & Utilities category. There are three alternatives to Tabnetviz for a variety of platforms, including Linux, Mac, Windows, iPad and Online / Web-based. The best alternative is Gephi, which is both free and Open Source. Other great apps like Tabnetviz are Cytoscape (Free, Open Source) and GraphXR (Free Personal).
Cytoscape is an open source software platform for visualizing complex networks and integrating these with any type of attribute data. A lot of plugins are available for various kinds of problem domains, including bioinformatics, social network analysis, and semantic web.