If you're still recommending #Signal, you may have missed the tech oligarchs' takeover of the US government. The best time to recommend European alternatives was 8 years ago; the second best is now.
@daniel Hi Daniel,
It's not a matter of government, many european government are shit like US government. As almost always are governments.
Anyway, XMPP at the moment I think is the best choice that a person can make to chat.