Peergos more generally (not the linked public website hosting which is obviously public) is very well suited. Everything is encrypted and there is fine grained

Peergos more generally (not the linked public website hosting which is obviously public) is very well suited. Everything is encrypted and there is fine grained access control. Of course we haven't gone through any official certifications which are likely required, but it's designed to not reveal anything to the server, and we've been audited by Cure53. Παρακαλώ