Apple HomePod - The new home entertainment system by Apple
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Sonos One - A self-contained, Alexa-connected speaker from Sonos
Google Home - Set up, manage, and control your Chromecast, Chromecast Audio and Google Home devices.
ioBroker - flexible and modular application for the IoT and Smarthome
Tmall Genie - Alibaba's Echo-like smart speaker competitor