Bigwig offers easy to use, scalable RabbitMQ messaging in the cloud. Currently available on Heroku.
Bigwig offers your archtecture all the benefits of scalability that a RabbitMQ broker brings with minimal setup and maintenance overhead. A free tier is available as a sandbox. Using a message broker is a great way to decouple your applications to help them scale, to cope with peaks of activity, or as a central integration technology.