HJets is a tool for calculating electroweak cross sections for Higgs plus up to three jets at NLO in QCD.
It is the code behind
Phys.Rev.Lett. 111 (2013) 211802, and is available here .
HJets builds on
(Matchbox) and also
utilizes the libraries
It is written by
Francisco Campanario, Terrance Figy, Simon Plätzer and Malin Sjödahl.