Event Generators Simulations: (Software, Main use)
PYTHIA: Proton-proton, electron-positron, hadron collision event generation
HERWIG: Parton shower, hadronization, collider event generation
SHERPA: Collider event generation with matrix elements and showers
MadGraph5_aMC@NLO: Matrix-element generation for Standard Model and BSM physics
POWHEG: NLO event generation matched to parton showers
CompHEP / CalcHEP: Matrix-element calculations and event generation
WHIZARD: Multi-particle event generation, especially lepton colliders