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There's nothing as comprehensive as the ZMQ guide for documentation, but here[1] is a good place to get started. It seems fairly stable API wise at this point.

I haven't used it much, since there's no way to switch from ZMQ without losing wire-protocol compatibility, and I haven't started any new projects that need IPC recently.

1: http://tim.dysinger.net/posts/2013-09-16-getting-started-wit...

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I built our entire monitoring infrastructure on top of nanomsg and nodejs; previously I used zmq. Over the last 3 months, I've had absolutely no issues with a bit over 200 servers communicating with each other.

Pretty cool stuff.

I used nanomsg to have 20+ servers listening to queue from a single master.

I found that over time the memory consumption would rise horridly and I had to stop using it. I've just had another sanity-check of my code and don't spot an obvious leak, but I'm willing to believe it is there:

https://github.com/skx/nanoexec

Otherwise though using nanomsg was a pleasure, and I have it in use elsewhere without problems.

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