On its 10th anniversary, Signal’s president wants to remind you that the world’s most secure communications platform is a nonprofit. It’s free. It doesn’t track you or serve you ads. It pays its engineers very well. And it’s a go-to app for hundreds of millions of people.
https://molly.im/ Especially the FOSS version. Need to manually add the repository though.
This is the way.
Or use Accrescent