Never refer to the same JAR using Class-Path from two different modules. (It will get loaded twice and could cause strange problems.) If you think you need to, generally this just means you have not factored out your module dependencies thoroughly: split off a third module to hold the library.
Gephi is an open-source software for visualizing and analyzing large networks graphs. Gephi uses a 3D render engine to display graphs in real-time and speed up the exploration. Use Gephi to explore, analyse, spatialise, filter, cluterize, manipulate and export all types of graphs.