Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
tado Smart AC Control - Control any AC from anywhere with your phone
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.
ioBroker - flexible and modular application for the IoT and Smarthome
My Devices - Drag and drop IoT project builder for Raspberry Pi