Bayesian model test package for BEAST 2
Uses reversible jump to switch between substitution models over nucleotide data, with or without gamma rate heterogeneity and/or with or without invariant sites.
See wiki for more information.
Paper: Bouckaert, Remco R., and Alexei J. Drummond. "bModelTest: Bayesian phylogenetic site model averaging and model comparison." BMC evolutionary biology 17.1 (2017): 42.