Add nanomsg

Author: fffaraz

README.md

@@ -341,6 +341,7 @@ A curated list of awesome C/C++ frameworks, libraries, resources, and shiny thin
 * [libjingle](https://code.google.com/p/libjingle/) - Google talk voice and P2P interoperability library. [BSD]
 * [Mongoose](https://github.com/cesanta/mongoose) - Extremely lightweight webserver. [GPL2]
 * [Muduo](https://github.com/chenshuo/muduo) - A C++ non-blocking network library for multi-threaded server in Linux. [BSD]
+* [nanomsg](https://github.com/nanomsg/nanomsg) - A simple high-performance implementation of several "scalability protocols". [MIT] [website](http://nanomsg.org/)
 * [net_skeleton](https://github.com/cesanta/net_skeleton) - TCP client/server library for C/C++. [GPL2]
 * [nope.c](https://github.com/riolet/nope.c) - A C language-based ultra-light software platform for scalable server-side and networking applications. Think node.js for C programmers. [GPL2]
 * [Onion](https://github.com/davidmoreno/onion) - HTTP server library in C designed to be lightweight and easy to use. [Apache2/GPL2]