Megapolis - The #1 citybuilder game in more than 20 countries with over 10M downloads!
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
SimCity BuildIt - Build, craft, and control! SimCity BuildIt is an all-new SimCity game designed just for mobile.
ioBroker - flexible and modular application for the IoT and Smarthome
OpenTTD - An open-source clone of the classic game ...
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation