Collider ResBos2 A tool for transverse momentum resummation for vector bosons at hadron-hadron colliders. Pepper Portable Engine for the Production of Parton-level Event Records is an efficient parton-level event generator to simulate high-energy physics at colliders such as the LHC. Sherpa Simulation of High-Energy Reactions of PArticles in lepton-lepton, lepton-photon, photon-photon, lepton-hadron, and hadron-hadron collisions Neutrino Achilles A CHIcagoLand Lepton Event Simulator NuHepMC A standardized event file format for neutrino-nucleus event generators. General