ZeroMQ \zero-em-queue\, \ØMQ\:

Zero Message Que

Distributed Messaging

- Connect your code in any language, on any platform. - Carries messages across inproc, IPC, TCP, TIPC, multicast. - Smart patterns like pub-sub, push-pull, and router-dealer. - High-speed asynchronous I/O engines, in a tiny library. - Backed by a large and active open source community. - Build any architecture: centralized, distributed, small, or large. - Free software with full commercial support.