*[HTTP Parser](https://github.com/nodejs/http-parser) :zap: - A http request/response parser for C. [MIT]
*[libcurl](http://curl.haxx.se/libcurl/) - Multiprotocol file transfer library. [MIT/X derivate license]
*[libjingle](https://code.google.com/p/libjingle/) - Google talk voice and P2P interoperability library. [BSD]
*[Libmicrohttpd](http://www.gnu.org/software/libmicrohttpd/) - GNU libmicrohttpd is a small C library that is supposed to make it easy to run an HTTP server as part of another application. [LGPL v2.1+]
*[libquic](https://github.com/devsisters/libquic) - A QUIC protocol library extracted from Chromium's QUIC Implementation. [BSD]
*[libwebsockets](https://github.com/warmcat/libwebsockets) - A lightweight pure C WebSocket implementation that provides both client and server libraries. [LGPL2.1 + static link exception] [website](https://libwebsockets.org/)
