ioBroker - flexible and modular application for the IoT and Smarthome
Remote Mouse - Turn your smartphone into a wireless touchpad and keyboard now!
Nim Home Assistant (NimHA) - Nim Home Assistant is an open-source home automation platform running on Nim.
Monect - Make the best use of sensors on smart device to control PC, simulate steering wheel, game-pad...
Domoticz - Domoticz is a lightweight Home Automation System
KDE Connect - Integrate Android with the KDE Desktop