emcee
CurveSimulator is a reliable n-Body Python package for fast and flexible Orbital Parameter Determination (MCMC). It can also generate highly configurable videos for teaching, public outreach, and scientific insight.
BISIP | Bayesian inversion of spectral induced polarization laboratory data
Simulating and Optimising Dynamical Models in Python 3
pyemcee - Python Implementation of the Affine-invariant MCMC Hammer
taurex-emcee: automated, parallelized atmospheric retrievals with TauREx 3.1 and the emcee sampler