AppRecs - AppRecs sorts through reviews in the App Store and automatically helps you filter out inauthentic results.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Cydia - An alternative app store for jailbroken devices.
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