Connectivity > Protocols > Stomp ActiveMQ Classic supports the Stomp protocol and the Stomp - JMS mapping. This makes it easy to write a client in pure Ruby, Perl, Python or PHP for working with ActiveMQ Classic. Please see the Stomp site for more details Spec Compliance ActiveMQ Classic v5.6 implements the Stomp v1.1 spec except for allowing spaces at the beginning or end of message header keys,