Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Apple HomePod - The new home entertainment system by Apple
ioBroker - flexible and modular application for the IoT and Smarthome
Sonos One - A self-contained, Alexa-connected speaker from Sonos
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Sonos Roam - A portable, waterproof speaker from Sonos