Pretty sure you can hook it up to Mozilla DeepSpeech for completely offline stuff.
It seems like you have to register to create an account?
There is also a ‘skills’ marketplace, so not sure how private it is.
You do need to pair it with an account to activate basic skills, but:
> By default, Mycroft will not store your usage data or keep any recordings of your voice
https://mycroft-ai.gitbook.io/docs/using-mycroft-ai/pairing-...
"It is a bit of a chicken-and-the-egg situation, but I don’t think there is a strong case for creating an easy offline setup before the core components are ready. It is close, but I suspect it will be at least another year before we (the open source community) have all those pieces ready."
However, their backend seems to be on GitHub.
Yeah but not on a raspberry pi...which is what mycroft usually ends up on