@sammi @joelanman @jenkinse @ambiguous_yelp Signal is just excellent for most people's personal needs and threat models. It has mature functionality on par with insecure/non-private alternatives, and doesn't give anything to surveillance capitalists.
If you're doing subversive or illegal things, obviously use disappearing messages regardless of if you have/need anonymity. If you do need to be anonymous to your contacts, sign up with a burner number.