ActiveMQ

Apache ActiveMQ is the most popular and powerful open source messaging and Integration Patterns server. Supports STOMP and JMS.

http://activemq.apache.org/

Stomp support

It has STOMP support (port 61613) like RabbitMQ. See RabbitMQ. The examples Python STOMP examples in RabbitMQ also work for ActiveMQ.

Install in FreeBSD 10.3

   1 pkg search activemq
   2 pkg install activemq
   3 /usr/local/etc/rc.d/activemq
   4 # Add activemq_enable="YES" in /etc/rc.conf 
   5 # Web console http://localhost:8161/admin user and pass admin:admin
   6

MQTT example

Port 1883. Normally just subscribes to topics.