ecobee - The smarter wi-fi thermostat
Google Home - Set up, manage, and control your Chromecast, Chromecast Audio and Google Home devices.
Nest Thermostat (3rd gen) - A slimmer, sharper, sexier thermostat
Sonos One - A self-contained, Alexa-connected speaker from Sonos
Vivint Element Smart Thermostat - A smart wireless thermostat that blends comfort and savings
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.