The Mandarax Project - Best Open Source Project, Library, Code in Java

The aim of the mandarax project is to integrate reasoning into Java. The original Mandarax is an API for managing derivation rules in Java, and a (Prologish) inference engine to execute rules.

Read more about The Mandarax Project: http://mandarax.sourceforge.net/

See Other Best Rules Engines Projects in Java:

JBoss Rules
Open Rules - Business Rules Management System
JRuleEngine - Java Rule Engine
InfoSapient
JEOPS - Java based Rule Engine
JLisa