3 ms·I'd say Spring takes that crown.by kitd 6y agoI'd say Spring takes that crown.tyingq 6y agoI still give Tomcat credit for taking Websphere and Weblogic out of the way. That opened the door for Spring.latchkey 6y agoJBoss took WS/WL out of the way. Disclosure: I was one of the main people who got Tomcat open sourced.