Model looks too simplistic? It's based on the WS-HumanTask spec, it would be a kinda strong statement saying they didn't do a good job? ;) What kind of human interaction management features are you talking about? And the Drools component is just a Java POJO service, or you can use the WS front-end ... how much easier to integrate can it be? anonymous wrote : we also have hierarchical subtasks, comments and roles You really took a look at the code? You can't have missed this then, we support all of these (and again, many more). Kris View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4210346#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...