Does anyone know of an open-source alternative to Google's "Messages" app, which takes care of SMS/text messages on my phone?
I was looking for open-source alternatives on PlayStore and F-Droid but can't really find anything – most apps seem to target some extra purpose than simply handling SMSs.
(Edit: I'd like to stay away from the "Simple Mobile Tools" line because I don't know if it's open source, and I don't like the way they promoted some apps – forcing users to update to pro and similar.)
Agree about the security. I use Element/Matrix. I don’t use SMS regularly, but some people message me with that in emergency situations, for instance if they don’t have wifi or mobile data. It’s also still used to get temporary authentication codes.