FinestCream is a no-code solution for creating Socket.IO and WebSocket mock servers for testing client events. FinestCream is a dev tool for testing Socket.IO and WebSocket server-based APIs.
Socket.io - Realtime application framework (Node.JS server)
WebSocket-Node - A WebSocket Implementation for Node.JS ( Draft -08 through the final RFC 6455 )
Lightstreamer - Lightstreamer is a server for delivering real-time messages to browser-based and mobile...
gevent - gevent is a coroutine -based Python networking library that uses greenlet to provide a high-level...
greenlet - Lightweight in-process concurrent programming
SignalR - SignalR is a server-side software system designed for writing scalable Internet applications, notably web servers.