Blozum - Superhuman assistants.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Furhat - A social robot capable of displaying humanlike expressions
ioBroker - flexible and modular application for the IoT and Smarthome
Josh.ai - Control and automate your home from anywhere
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation