Thought this was cool: Stan: graphical models software
Here are some tips I got from Alex Chen @ Netflix regarding useful graphical models software. Alex recommended stan, a C++ toolkit for computing Bayesian inference using sampling method.
Stan is developed mainly in Columbia University.
How did you hear about stan?
Can you give us some tips on how to start learning stan?
The easiest way to learn stan is following this quick start guide
from Large Scale Machine Learning and Other Animals: http://bickson.blogspot.com/2012/10/graphical-models-libraries.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+blogspot%2FsYXZE+%28Large+Scale+Machine+Learning+and+Other+Animals%29