Monect - Make the best use of sensors on smart device to control PC, simulate steering wheel, game-pad...
EventGhost - EventGhost is an advanced, easy to use and extensible automation tool for MS Windows.
Wifipad - WifiPad transforms your iPhone/iPod Touch into a wireless gamepad.
Homeseer - HomeSeer presents a revolutionary approach to home automation.
aGamepad - aGamepad allows you to use your Android based phone as gamepad for Windows.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.