I remember that some time ago, a call had been made on this list for a common-use library of network code and algorithms, perhaps in Java or XML. Since I ran across such an animal for graph drawing (at least according to Researchindex.org), I thought I'd share:
Please note, I haven't played around with this library yet, so I can't give more recommendation than that.
Guy Hagen, Assistant Director [log in to unmask]
Office of Economic Development http://www.usf.edu/oed
University of South Florida 813.974.7346