How to Write a Simple Chat in Aiohttp

http://steelkiwi.com/blog/an-example-of-a-simple-chat-written-in-aiohttp/

AsyncIO - Chat - Rethinkdb

https://github.com/artydev/asynciochat/blob/master/app.py

Développer un chat temps-réel avec Socket.io

https://blog.bini.io/developper-une-application-avec-socket-io/
Other links

http://www.tamas.io/advanced-chat-using-node-js-and-socket-io-episode-1/

http://www.tamas.io/further-additions-to-the-node-jssocket-io-chat-app/

https://tutorialzine.com/2014/03/nodejs-private-webchat

Add real time collaboration features to your website today!

https://togetherjs.com/