Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Mi Box - 4K Ultra HD streaming and gaming box powered by Android TV
ioBroker - flexible and modular application for the IoT and Smarthome
Caavo - One search. One experience. One remote. All your content.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
NVIDIA Shield TV - Streaming box with Google Assistant and Google Cast.