A new version of JGraphT has been released. The new version delivers increased stability and power. The API was improved and simplified even further. A connectivity inspector was added, all knows bugs were fixed and an extensible event model has been introduced.
JGraphT is a free Java class library that provides mathematical graph-theory objects and algorithms. JGraphT supports a rich gallery of graphs and is designed to be powerful, but at the same time easy to use.
Visit http://jgrapht.sourceforge.net/ to download and learn more.