I use to have all my chat programs bridged to Matrix:

https://battlepenguin.com/tech/matrix-one-chat-protocol-to-rule-them-all/

..but Telegram stopped working with my mobile carrier (and I only had one friend on there anyway) and I deleted all the other social media accounts. My signal-matrix bridge was very out of date, and when it stopped working I upgraded to the Go-rewrite version, but I never got it linked properly and just kinda gave up on bridging and just run the (very shitty and broken) desktop app.

Right now I only use: XMPP (my voice/SMS goes over XMPP too using jmp.chat), Signal and Matrix.

I was on qTox for a bit with some of the NoAgenda/NoAuthority peeps, but haven't started up that client in forever.