JORAM
Java Open Reliable Asynchronous Messaging is an open-source message broker which is certified to fully implement the Java Message Service API 1.1. JORAM is available for download since May 2000.
JORAM provides advanced features like clustering and high-availability, C/C++ Xoram API and Java ME client. It implements the Advanced Message Queuing Protocol.
JORAM is the default JMS provider in JOnAS Application Server, it is also used in OW2 PEtALS distributed ESB and in OW2 SCA infrastructure FraSCAti.
Enterprise support for JORAM is available from ScalAgent D.T..