Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Follett Destiny Library Manager - Follett Destiny Library Manager is a complete library management system that can be accessed from anywhere.
ioBroker - flexible and modular application for the IoT and Smarthome
Sierra ILS - Sierra is designed to make your library effective.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
LibraryWorld - Library automation solution