Cydia - An alternative app store for jailbroken devices.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Zestia - Zestia is a mobile app designed to assist you in organizing your hectic schedule, social life, and professional persona.
ioBroker - flexible and modular application for the IoT and Smarthome
Fnd - Browse Apple App Store and iTunes on the Web
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation