ioBroker - flexible and modular application for the IoT and Smarthome
UpLogs - Keep an eye on maintenance operations from your phone
Nim Home Assistant (NimHA) - Nim Home Assistant is an open-source home automation platform running on Nim.
Mistbox - Save 30% on your air conditioning bill
Domoticz - Domoticz is a lightweight Home Automation System
STF / Smartphone Test Farm - Remote control all your Smartphone devices