
RabbitMQ is an open source implementation of AMQP developed by LShift. AMQP is the emerging standard for reliable messaging and is fast becoming well known for its low latency and high throughput. RabbitMQ is gaining a reputation for being effective and easy to work with. It offers a compact, easily maintainable code base, for rapid customisation and hot deployment.
LShift offer consultancy and development services to support you in your evaluation or application of RabbitMQ.
For technical information, access to code etc start here.