Release 2.0.0

OpenRules Release 2.0.0 March-2005



OpenRules 6.4.2 Expands Decision Modeling Capabilities

The Release 6.4.2 introduces new types of decision tables: DecisionTableAssign, DecisionTableIterate, DecisionTableSort

May 20, 2017

Book "DMN in Action"This practical guide is available from Amazon. Supporting software:

Feb 16, 2017

OpenRules 6.4.1 introduces WHY-Analyzer for Decision Modeling

The Release 6.4.1 introduces a graphical WHY-Analyzer that allows business users to analyze behavior of their DMN-based decision models

Dec 20, 2016

OpenRules Wins 10th International Rule Challenge

OpenRules®  "What-If Analyzer for Decision Modeling" won 10th International Rule Challenge Award at RuleML-2016.

July 8, 2016


Forrester Research, Inc.

"OpenRules have the most-aggressive approaches to business-expert authoring and typically requires less developer support than IBM ILOG, FICO Blaze Advisor, and JBoss BRMS.

Market Overview: Business Rules Platforms



Upcoming Events


DecisionCAMP-2017 July 13-14, 2017, London, UK

BBC-2017 Nov. 6-10, 2017, Orlando, FL, USA

Recent Events

RuleML 2016 and DecisionCAMP-2016, July 6-9 2016, New York

BBC 2015: Nov. 2-6, USA

Video "DecisionsFirst Modeler Integration with OpenRules"

Webinar "Creating and Managing Executable Decision Models"





EDISON, NJ -- March 16, 2005 -- OpenRules, Inc. announced today an availability of a new major release of OpenRules that in 2004 became de-facto the most popular open source Business Rules Engine. OpenRules 2.0.0 goes beyond a pure Business Rules Management System. It extends OpenRules to scale of a framework for development and maintenance of Rules-based Web Applications.

Release 2.0.0 introduces Web Forms management facilities that allows non-technical users to create web forms using simple Excel tables which specify form layouts in a WYSIWYG manner. It also provides a methodology and numerous examples how to define complex interaction logic. It includes an extendable library of standard layouts, data types, and methods to support rules-based interaction processes. 

OpenRules 2.0.0 introduces Web Deployment mechanism that allows developers to expose basic rule projects as Web Services. It also provides a push-button deployment mechanism for presentation-oriented Web Applications with rules and forms defined in Excel.

Release 2.0.0 includes a reference implementation and a sample project for JSR-94.

OpenRules 2.0.0 comes with a rich set of user tutorials available online from In particular, it extends the Clinical Guidelines use case to demonstrate how business and IT specialists can work together in developing complex Rules-based Web Application.

Open Source product OpenRules 2.0.0 software and documentation can be downloaded without any license fee from  

About OpenRules
OpenRules, Inc. is a NJ-based corporation that develops, supports and provides consulting services around Open Source Business Rule Engine commonly known as OpenRules����������������������������. For details, please visit




Java is a trademark of Sum Microsystems, Inc.  OpenRules is a trademark of OpenRules, Inc. All other trademarks are the properties of their respective owners.






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