http://nanomsg.org%|%Nanomsg%|% is a project implemented by the author (or one of the authors) of [ZeroMQ] as its "successor". Differences include * Implemented in C (the author has a http://250bpm.com/blog:4%|%post%|% on why using C++ for [ZeroMQ] was a mistake) * MIT licensed (as opposed to LGPL) * IOCP on Windows (much faster) * Reduced buffer copies * Worker thread model * architectural and functional improvements <>Interprocess Communication | Message Broker