> The main thing I can't do without the cloud is voice control. I'm using Google Homes for it which Home Assistant exposes all my devices to. Local voice control systems really suck compared to Google unfortunately.

have you looked at picovoice? been pretty impressed by their wake word (Porcupine) and STT (Cheetah) on phones/pi's etc. seems like this could be integrated as a local STT provider with ada.

from the docs:

  Here's some of the main technology being used on Tildes:

  Python 3.6 with the Pyramid web framework
  PostgreSQL 10
  Redis 4
  intercooler.js and jQuery.