JBoss Drools is a worthy rival to leading enterprise competitors Blaze Advisor and JRules, but is available free under the Apache open source license. It combines a very fast runtime engine, a full-featured rule repository, excellent Eclipse-based developer tools, and support for Excel-based decision tables, allowing rules to be written and maintained by business analysts. The developer group is large, and the project moves fast. Drools even has one feature the market leaders lack: the capability to import rules from almost any other BRMS. FULL REPORT ...