SockJS-nodeNode.JS Server
SockJS-node is a Node.js server side counterpart of SockJS-client browser library written in CoffeeScript.
To install sockjs-node run:
npm install sockjs
 
(If you see rbytes dependecy failing, don't worry, it's optional, SockJS-node will work fine without it.)
An simplified echo SockJS server could look more or less like:
var http = require('http');
var sockjs = require('sockjs');
var echo = sockjs.createServer();
echo.on('connection', function(conn) {
    conn.on('data', function(message) {
        conn.write(message);
    });
    conn.on('close', function() {});
});
var server = http.createServer();
echo.installHandlers(server, {prefix:'/echo'});
server.listen(9999, '0.0.0.0');
 
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