Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Google Home - Set up, manage, and control your Chromecast, Chromecast Audio and Google Home devices.
Tmall Genie - Alibaba's Echo-like smart speaker competitor
ioBroker - flexible and modular application for the IoT and Smarthome
HomePod mini - A smart speaker with Siri built in
Domoticz - Domoticz is a lightweight Home Automation System