Rockeye is a graphical tool to manage open source JMS Servers such as Activemq and Hornetq, and enables the user to group queues and topics  together into logical "applications" for easier support and administration. 

Version 1.0.1 has been released and runs on Windows and OS X. There's a free trial version, as well as personal and enterprise commercial licenses.

Try it out at http://www.rockeyesoftware.com/