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The phenomenon of wave breaking dominates the hydrodynamics of the surf zone. Therefore, numerical modelling of shallow water phenomena requires a proper reproduction of the wave breaking mechanism. In this study, we analyze the ability of two open-source Boussinesq-type models, Celeris and FUNWAVE-TVD (Total Variation Diminishing version), to correctly reproduce wave breaking. The main aim is to obtain aware tools for numerical modelling of surf zone hydrodynamics. The results are compared with physical model tests and Computational Fluid Dynamics (CFD) numerical modelling.