Java Graph framework
I need to represent graphically a graph, with possibility of defining events when clicking the nodes.

But the library needs to be free, because it's for a professional purpose and I won't get lucky on getting a paid one.
Java Graph framework
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I need to represent graphically a graph, with possibility of defining events when clicking the nodes.

But the library needs to be free, because it's for a professional purpose and I won't get lucky on getting a paid one.