1. March hareIdiomatic, fast and well-maintained JRuby client for RabbitMQ
2. BunnyBunny is a popular, easy to use, mature Ruby client for RabbitMQ
4. HutchA system for processing messages from RabbitMQ.
5. AmqpEventMachine-based RabbitMQ client. Prefer Bunny: http://rubybunny.info. See documentation guides at http://rubyamqp.info.
6. amq-protocolAMQP 0.9.1 protocol serialization and deserialization implementation for Ruby (2.0+)