While I usually prefer to stay away from marketing discussions, I cannot help noticing that during these hard economical times open source business rules products gain in popularity. We, at OpenRules, are receiving more and more support and consulting requests. The number of downloads keeps growing every month. We recently added several more partners and resellers worldwide. Here is www.OpenRules.com statistics from July-2004 to July-2012:
Our colleagues from JBoss Drools tell us about similar or even more aggressive growth. It is interesting that more and more large corporations and government agencies chose open source BR products. See recently added OpenRules customers and read what people say about our product.
A year ago Forrester Research did market overview of different Business Rules Platforms predicting this trend. Here is what they said about OpenRules:
“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.”
To maintain this positive trend OpenRules, Inc. is adding resources to its development and support team.
OpenRules - Decision Intelligence Software 
In March-2013 we got a record number of visitors at the http://www.openrules.com: 23,516! So, this good trend continues.