Joining forces with Loukas Theodosiou and Da Zhou (Visitig Scholar at Evolutionary Theory Department), we set out to implement a stochastical simulation code based on the Gillespie algorithm to model the growth of barcoded bacterial communities. The source code is hosted at GWDG’s gitlab instance at https://gitlab.gwdg.de/mpievolbio-scicomp/gillespiesimulator, the reference manual and a small documented example can be found at https://mpievolbio-scicomp.pages.gwdg.de/gillespiesimulator/.