Well, the first question was about the "need" of Seam in production to work the apps. The second was about the "possible improvement" of having seam. Is like Java, you can run Jboss with a Jre, but if u use SDK you have more tools to monitor ... more options on JVM (Correct me, plz, if I'm wrong in that point) So, those were the differences :) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4161660#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...