Popular and widely used messaging broker with moderate performance, wide protocol support written in Java together with a full Java Message Service (JMS) client. It provides "Enterprise Features" which in this case means fostering the communication from more than one client or server.
|Apache Software Foundation
|Latest stable version
|Lingo, Eclipse, Mule, Hermes
One of the most popular message brokers. In many cases it's "the" messaging server when using JMS.