Igraph

Odkaz: 
http://igraph.sourceforge.net/introduction.html
Popis odkazu: 
Igraph is a free software package for creating and manipulating undirected and directed graphs. It includes implementations for classic graph theory problems like minimum spanning trees and network flow, and also implements algorithms for some recent network analysis methods, like community structure search.
Created by Jan Jáchim. Runs on Drupal.