Too Long; Didn't Read
Realtime apps are everywhere. From instant messaging apps to document collaboration software and games. You may have built applications with it using open source library such as <a href="https://www.asp.net/signalr" target="_blank">SignalR</a>, <a href="https://socket.io/" target="_blank">SocketIO</a> or some other commercial products. I’ve used SignalR and and SocketIO, and most recently building a <a href="https://www.producthunt.com/upcoming/hamoni" target="_blank">chat SDK</a> with SocketIO in the last ProductHunt hackathon.