It's based on Signal protocol and it's also open source. However, unlike Signal it doesn't harvest phone numbers.
https://github.com/wireapp
It's based on Signal protocol and it's also open source. However, unlike Signal it doesn't harvest phone numbers.
https://github.com/wireapp
It has been a while since I looked at Wire, and I didn't look very deep, but here's what I noted:
Self-hosting was unavailable at the time.
I believe they violated their privacy policy a while back, by accepting new owners/investors without notifying their users. That kind of behavior is telling of what to expect from an organization, and potentially dangerous (depending on your threat model) if you're trusting them with anything, such as...
I have read complaints that they stored cleartext contact lists on the server, but I haven't verified this myself. (The first two points were already deal-breakers for me, so I didn't bother.)
Looks like both the client and server are open source now, so it's definitely possible to self host. Unlike Signal, Wire also supports federation nowadays https://docs.wire.com/understand/federation/index.html