have not read all responses - so this may have been mentioned already......

but you may find something in JUN:

http://aokilab.kyoto-su.ac.jp/jun/index.html

k



----- Original Message ----
From: Michael Haupt <mhaupt at gmail.com>
To: The general-purpose Squeak developers list 
<squeak-dev at lists.squeakfoundation.org>
Cc: Pharo-project at lists.gforge.inria.fr
Sent: Fri, December 17, 2010 9:55:44 AM
Subject: Re: [squeak-dev] Graph library in Smalltalk - Need for advices

Cédrick,

On 17 December 2010 17:13, Cédrick Béler <cdrick65 at gmail.com> wrote:
> If not, do you know any open-source projects outside of Smalltalk that I may 
>look at ?

JGraphT was quite useful for me once, and it is rather nicely designed IMHO.
http://jgrapht.sourceforge.net/

Best,

Michael