Guvnor in Drools rule engine can be defined as the name of the web and network related components for managing rules with drools rule engine.Guavnor with core drools engine and other tools forms the business rule manager.Guavnor is mainly used by Business Analyst, Rule expert, Developer, Administrators (rule administrators etc).
Following are the features provided by Guavnor
a) Multiple types of rule editors (GUI, text)
b) Version control (historical assets)
d) Build and deploy
e) Store multiple rule “assets” together as a package
The main advantage of Guavnor is that, it provides logically centralized repository to keep your entire business knowledge and web based environment to manage (add/edit/update) business rules by the business users.