Hi, I wanna know what is the most secure and best messaging app/platform...
Need an app that is crossplatform and has a very good numbers of features and security.
(And it has to be FLOSS)
I thought about XMPP clients, Signal, Session, IRC clients.. Propose and explain me your choice
That's not how it works. All metadata is also E2EE with the same protocol. Even if they control all servers it wouldn't change much.