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From "James Carman" <>
Subject RE: [commons general] Graph ADT Library?
Date Mon, 31 Oct 2005 19:53:17 GMT
If you don't mind paying money for a good library, I can recommend yFiles
(  We use it on my
current project and it has been very helpful.  It can be somewhat costly,
especially if you can't get the academic license.   

-----Original Message-----
From: Hernan Silberman [] 
Sent: Monday, October 31, 2005 2:43 PM
Subject: [commons general] Graph ADT Library?

I'm wondering if anyone can recommend a good set of Java classes for 
representing Graph abstract data types.  Specifically, I'm dealing with a 
homegrown representation of a directed acyclic digraph (DAG) and find it
lacking.  I've read a little about jakarta commons graph and graph2 and
they're no longer active projects (and they're not in the sandbox).

After Googling around, I've found the following projects:
* Looks great, seems mature.  I don't need to solve the graph visualization 
problem which this toolkit seems to do well, and it feels like a
for my basic needs.
* GPL license, open source.
* Looks like a great start, in alpha release.  Zero email on the lists
which worries me.
* BSD license, open source.
* Source uses Java 1.5 generics, I'm not there yet.

Graph data structures are such a common problem solving tool in engineering 
that I'm sure I've missed other good projects.  I'm hoping to cut down my
time by asking for your experiences with other toolkits I may be ignorant

Any suggestions are appreciated.


Hernan Silberman

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