Topic modelling software using non-parametric methods. The best release is available on http://mloss.org, search for "hca". The MLOSS version packages up two required software so is easier to install. https://github.com/wbuntine/topic-models https://github.com/wbuntine/libstb Older versions of the code, and some data files are available from: http://www.nicta.com.au/people/buntinew/softwareanddata