Free and Open Source Software
If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.
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Ty it looks pretty sick
I use that myself though haven't sent a sms/mms in like > 10 years. Anyhow FOSS > stock spyware any day. The fossify project has many other useful tools as well.
There are no other RCS clients, just Google Messages.
Samsung messages too, but that's not really an upgrade
And Samsung is dropping their app in favor of Google Messages AFAIK.
^~ bat signal for Lina Khan ~^
Honestly can't believe Google was so explicit in calling RCS an "open standard" and then turning around and doing this
Bummer
I don't have an answer for you, but I have a caution...
I once worked for AT&T and worked on AT&T Messages.
DO NOT USE IT, if it still exists, if you're with AT&T. At the time I worked on it, there was no encryption except in-flight (https) -- which means if I had had production access (and some people who worked there at my level, definitely did), I could have read all messages, blobs, everything. I was told after I quit that they intended to add encryption, but since AT&T would still hold the keys, it's useless.
Silence - a Signal fork is actually still quiet decent. Simple and support for encrypted SMS. Which is a fun feature.