ioBroker - flexible and modular application for the IoT and Smarthome
Mistbox - Save 30% on your air conditioning bill
Google Home - Set up, manage, and control your Chromecast, Chromecast Audio and Google Home devices.
Nim Home Assistant (NimHA) - Nim Home Assistant is an open-source home automation platform running on Nim.
Domoticz - Domoticz is a lightweight Home Automation System
Zen Thermostat - Control the temperature of your home anytime, from anywhere