Mule is the leading open source ESB (Enterprise Service Bus) and integration platform. It is a scalable, highly distributable object broker that can seamlessly handle interactions with services and applications using disparate transport and messaging technologies.License: Mozilla Public License (MPL)Changes:
Component Interceptors have been re-introduced. Expression Support on transformations, content-based routing, and filters. Reconnection Strategies have been replaced with the new Retry Policy framework. Component bindings are now supported in scripting languages such as Groovy. Routers now support returning collections of messages. The Message Splitter router has been simplified to make it easier build custom splitter routers. The documentation is orders of magnitude better than in previous releases. The Mule codebase has been made OSGi-ready.