Flickr - image and video hosting website
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
ioBroker - flexible and modular application for the IoT and Smarthome
PhotoPrism.app - PhotoPrism® is an AI-Powered Photos App for the Decentralized Web. It makes use of the latest technologies to tag and find pictures automatically without getting in your way. You can run it at home, on a private server, or in the cloud.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation