I'm thinking of the things listed on the Privacy Guides real-time communication section
https://www.privacyguides.org/en/real-time-communication/
I'm thinking of the things listed on the Privacy Guides real-time communication section
https://www.privacyguides.org/en/real-time-communication/
As far as I know Signal still requires a phone number to register an account. Since a while you can use usernames to connect with others instead of exchanging phone numbers.
Ohh, I wasn't aware that it was still necessary for registering.