momi (MOran Models for Inference) is a Python package that computes the expected sample frequency spectrum (SFS), a statistic commonly used in population genetics, and uses it to fit demographic history.
See the documentation for installation instructions, tutorial, and API reference.
The preprint describing the method is:
Kamm, J.A., Terhorst, J., Durbin, R, and Song, Y.S. Efficiently inferring the demographic history of many populations with allele count data. (bioRxiv)