New release.
http://hermesjms.sourceforge.net/
There's some instructions here on using HermesJMS with ActiveMQ if you want to view/delete messages on queues or send messages to queues etc.
http://activemq.codehaus.org/Hermes+Jms
Haven't figured out how to use topics with it yet though. But this tool will be quite handy when testing out MDBs etc
James ------- http://radio.weblogs.com/0112098/