chat.io
A Real Time Chat Application built using Node.js, Express, Mongoose
...You need to create a database on MongoLab, then create a database user, get the MongoDB URI, and assign it to dbURI. You need to register a new application on both Facebook and Twitter to get your tokens by which users can grant access to your application, and log in using their social accounts. The session needs a random string to make sure the session id in the browser is random. That random string is used to encrypt the session id in the browser, Why? To prevent session id guessing. Each user has a username, password, social Id, and picture. ...