%0Computer Program %Tpopclass %Xpopclass is a lightweight python package that allows fast, probabilistic classification of the lens of a microlensing event given the event's posterior distribution and a model of the Galaxy. popclass provides the bridge between Galactic simulation and lens classification, an interface to common Bayesian inference libraries, and the ability for users to flexibly specify their own Galactic model and classification parameters. %AMcgill, Peter %AKaczmarek, Zofia %ASallaberry, Gregory %APerkins, Scott %ADawson, William %Rhttps://doi.org/10.11578/dc.20240917.6 %Uhttps://www.osti.gov/doecode/biblio/143766 %CUnited States %D2024 %GEnglish %2USDOE National Nuclear Security Administration (NNSA) %1AC52-07NA27344 2024-08-14