Herwig++ 2.0 Release Note
arXiv:hep-ph/0609306
Abstract
A new release of the Monte Carlo program Herwig++ (version 2.0) is now available. This is the first version of the program which can be used for hadron-hadron physics and includes the full simulation of both initial- and final-state QCD radiation.
Source code and additional information available at http://hepforge.cedar.ac.uk/herwig/