Google Home - Set up, manage, and control your Chromecast, Chromecast Audio and Google Home devices.
Apple HomePod - The new home entertainment system by Apple
Facebook Portal - Smart, hands-free calling, with Alexa built in
Sonos One - A self-contained, Alexa-connected speaker from Sonos
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Calaos - Open source home automation