Socket.io - Realtime application framework (Node.JS server)
gevent - gevent is a coroutine -based Python networking library that uses greenlet to provide a high-level...
Hydra by DataSecs - Hydra is built upon Netty. It is supposed to simplify the process of socket setup in Java.
WebSocket-Node - A WebSocket Implementation for Node.JS ( Draft -08 through the final RFC 6455 )
vert.x - From Wikipedia, the free encyclopedia
greenlet - Lightweight in-process concurrent programming