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GPG my brother
GPG my brother
session and jami
iMessage and Threema
I would guess Telegram if the users hit the toggle wherever it's not default. After what you've listed and Telegram, I'd guess Matrix/Element
Privacy has become a very important issue in modern society, with companies and governments constantly abusing their power, more and more people are waking up to the importance of digital privacy.
In this community everyone is welcome to post links and discuss topics related to privacy.
much thanks to @gary_host_laptop for the logo design :)