RabbitMQ.com is an open source AMQ implementation in Erlang
About RabbitMQ.com
RabbitMQ is an implementation of AMQP, the emerging standard for high performance messaging. It is a complete and highly reliable Enterprise Messaging system. The RabbitMQ client libraries and broker daemon can be used together to create an AMQP network, or used individually to bring the benefits of RabbitMQ to established networks. Packages/installers are available for all major operating systems and platforms. RabbitMQ can also be deployed as a VMWare/Debian virtual appliance.