ActiveMessaging is an attempt to bring the simplicity and elegance of rails
development to the world of messaging. Messaging, (or event-driven
architecture) is widely used for enterprise integration, with frameworks
such as Java's JMS, and products such as ActiveMQ, Tibco, IBM MQSeries, etc.
Now supporting Rails 3 as of version 0.8.0.

WWW: https://github.com/kookster/activemessaging