TouchGraph Navigator 2.4

Text and numerical attributes can be associated with nodes and edges.

A range of different relationship types are supported. Edges can be directed, undirected, and can show flow in both directions.

Text and numerical attributes can be associated with nodes and edges. Tables display the attributes and allow sorting.
Images can be associated with nodes.
Advanced cluster computation reveals inherent groupings.
Co-citations and co-occurrence analysis clarifies dense networks.