Presence Was Supposed to Be Infrastructure
XMPP didn’t lose. The web turned presence into a product and rented it back to us one app at a time. Matrix isn’t the successor — it’s a different bet, and the thing it turned off is the P.
Jabber
Why you shoud not use Firebase for your real-time chat. TLDR; Jabber is great
Many developers have fallen into the trap of using Firebase as a quick fix for real-time chat. With just a few lines of code, you can push messages to a database and have them sync across clients in real time. It’s a magical feeling – within an afternoon, you can get a basic chat working in your web or mobile app. No server code, no infrastructure headaches. Sounds too good to be true, doesn’t it?