RabbitMQ is an implementation of AMQP, the emerging standard for high performance enterprise messaging. The RabbitMQ server is based on a proven platform, Erlang/OTP, offering exceptionally high reliability, availability, and scalability. It delivers good throughput and latency performance that is predictable and consistent. The code base is compact and easily maintainable, facilitating rapid customization and hot deployment. The RabbitMQ distribution also includes a Java client that interoperates with any compliant AMQP server. License: Mozilla Public License (MPL) Changes:
This release fixes a number of race conditions and other bugs, improves performance, and has better error reporting.

More...