Monect - Make the best use of sensors on smart device to control PC, simulate steering wheel, game-pad...
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
LEA Extended Input - iOS/Android app with windows server to control functions in games via your smartphone/tablet.
ioBroker - flexible and modular application for the IoT and Smarthome
Gamepad Joystick MAXJoypad - Play PC games using your smartphone or tablet as gamepad, joystick or racing wheel.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation