[lqdc13]

Missing Linux native, but that might be too much to ask. Thanks for the link. I'll give it a try.

Do you know if it's open source or at least gone through an audit?

[ahalam]

The crypto modules are indeed open source. https://github.com/wireapp

I don't know whether they have been formally audited.

[pritambaral]

That would be the source of some crypto code, not necessarily the code the app itself uses. Since the app is closed, there's no way to verify.