Facebook Portal - Smart, hands-free calling, with Alexa built in
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
ioBroker - flexible and modular application for the IoT and Smarthome
Calaos - Open source home automation
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Gladys - An open-source home assistant powered by a Raspberry Pi 🗣️