Some software links:

• JAVABayes from CMU:
  http://www.cs.cmu.edu/~javabayes/Home/
• GraphModAlg@UCI, Prof. Dechter's group webpage:
  http://graphmod.ics.uci.edu/
• GeNIe/SMILE from the University of Pittsburgh:
  http://genie.sis.pitt.edu/
• SamIam from UCLA:
  http://reasoning.cs.ucla.edu/samiam/
• Hugin lite from Hugin:
  http://www.hugin.com
• MSBN from Microsoft Research:
  http://research.microsoft.com/en-us/um/redmond/groups/adapt/msbnx/
• REES:
  http://www.ics.uci.edu/~radum/rees.html
• Netica from Norsys:
  http://www.norsys.com