I use wire (wire. com) for daily chatting. I like it but I couldn’t find any good communities in wire. In session, or simpleX, there are privacy (and other) groups in which anyone can participate… Can we start a privacy group in wire so we folks can also hang around?
Metadata. Requiring a phone number to register. And a hostile anti-federation, anti-API stance by Signal. Sure, you can run your own server, but you can’t connect to anyone in the official Signal network, and third-party apps are also disallowed.
Wire has the same problem, don’t get me wrong. They’ve been resolutely refusing any third-party connections (mainly requests from Matrix bridge folks). But Signal isn’t an improvement on these fonts.
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Well, you said it yourself, Wire isn’t much different in that regard, so Signal is pretty much a one for one substitute.
I would like federation for Signal too somehow, in fact I use Matrix on the side, in particular with people I don’t want to share my phone number with, but that doesn’t prevent it from being a very solid option in and of itself
Signal minimizes metadata, they don’t store it and encrypts everything, phone number isn’t a issue as long you don’t need anonimity, not everyone have to like federation and there are a lot of third party Signal clients which works perfect and they are allowed, like Molly.