# Bayesian Networks and Bayesian Classifier Software

**Overview pages**| commercial | free

- AgenaRisk, visual tool, combining Bayesian networks and statistical simulation (Free one month evaluation).
- Analytica, influence diagram-based, visual environment for creating and analyzing probabilistic models (Win/Mac).
- AT-Sigma Data Chopper, for analysis of databases and finding causal relationships.
- BayesiaLab, complete set of Bayesian network tools, including supervised and unsupervised learning, and analysis toolbox.
- Bayes Server, advanced Bayesian network library and user interface. Supports classification, regression, segmentation, time series prediction, anomaly detection and more. Free trial and walkthroughs available.
- Bayesware Discoverer 1.0, an automated modeling tool able to extract a Bayesian network from data by searching for the most probable model
- BNet, includes BNet.Builder for rapidly creating Belief Networks, entering information, and getting results and BNet.EngineKit for incorporating Belief Network Technology in your applications.
- DXpress, Windows based tool for building and compiling Bayes Networks.
- Flint, combines bayesian networks, certainty factors and fuzzy logic within a logic programming rules-based environment.
- HUGIN, full suite of Bayesian Network reasoning tools
- Netica, bayesian network tools (Win 95/NT), demo available.
- PrecisionTree, an add-in for Microsoft Excel for building decision trees and influence diagrams directly in the spreadsheet

- BAYDA 1.0
- Bayesian belief network software (Win95/98/NT/2000), from J. Cheng, including BN PowerConstructor: An efficient system for learning BN structures and parameters from data; BN PowerPredictor: A data mining program for data modeling/classification/prediction.
- Bayesian Network tools in Java (BNJ): an open-source suite of Java tools for probabilistic learning and reasoning (Kansas State University KDD Lab)
- Chordalysis, a log-linear analysis method for big data, which exploits recent discoveries in graph theory by representing complex models as compositions of triangular structures (aka chordal graphs).
- FDEP, induces functional dependencies from a given input relation. (GNU C).
- GeNIe, decision modeling environment implementing influence diagrams and Bayesian networks (Windows). Has over 2000 users.
- JavaBayes
- jBNC, a Java toolkit for training, testing, and applying Bayesian Network Classifiers.
- JNCC2, Naive Credal Classifier 2 (in Java), an extension of Naive Bayes towards imprecise probabilities; it is designed to return robust classification, even on small and/or incomplete data sets.
- MSBN: Microsoft Belief Network Tools, tools for creation, assessment and evaluation of Bayesian belief networks. Free for non-commercial research users.
- PNL: Open Source Probabilistic Networks Library, a tool for working with graphical models, supporting directed and undirected models, discrete and continuous variables, various inference and learning algorithms.
- Pulcinella, tool for Propagating Uncertainty through Local Computations based on the Shenoy and Shafer framework. (Common Lisp)

### Related

- Classification: Multiple-methods
- Classification: Decision-tree
- Classification: Rules-based
- Classification: Bayesian
- Classification: Neural
- Classification: SVM
- Classification: Other
- Classification: Analysis