ioBroker - flexible and modular application for the IoT and Smarthome
tado Smart AC Control - Control any AC from anywhere with your phone
Domoticz - Domoticz is a lightweight Home Automation System
Nim Home Assistant (NimHA) - Nim Home Assistant is an open-source home automation platform running on Nim.
Google Home - Set up, manage, and control your Chromecast, Chromecast Audio and Google Home devices.
Airwirl - Personal air conditioner