Knowledge Industries, Inc. (Popularity: )
http://www.kic.com Builds and licenses diagnostic software based upon Bayesian Belief Networks for medical, industrial and management applications. Software includes editors/compilers, test/review ...
Bayesline (Popularity: )
http://bayesline.sourceforge.net Very generic and free (LGPL) Belief Network Framework in C++ - supports a broad range of knowledge and dependency types ...