Reason to get Java working in Mozilla: TouchGraph.
I was reminded of this tool when posting my 2 cents on a request for advice post by jk. The TG people have made quite a bit of progress since I last saw them.
Here’s a touchgraph of Memes.net. Memes.net is a center of personal mindmapping IMO. There’s lots of stuff to dig from within there.[esp: similar websites and applications, mind mapping, open source document management]