Infer.NET is a .NET library for machine learning. It provides state-of-the-art algorithms for probabilistic inference from data. Various Bayesian models such as Bayes Point Machine classifiers, TrueSkill matchmaking, hidden Markov models, and Bayesian networks can be implemented using Infer.NET.
Infer.NET is currently downloadable as a beta release under a non-commercial license.
For more information about Infer.NET including documentation and examples please see the main Infer.NET page.