mixl
Simulated Maximum Likelihood Estimation of Mixed Logit Models for Large Datasets, by Joseph Malloy
LARCH
LARCH: A Freeware Package for Estimating Discrete Choice Models, by Jeffrey Newman.
Apollo
Apollo: a flexible, powerful and customisable freeware package for choice model estimation and application, by Stephane Hess and David Palma.
Pylogit
PyLogit is a Python package developed by Timothy Brathwaite for performing maximum likelihood estimation of conditional logit models and similar discrete choice models.