Debt$Net - Debt$Net is a Cloud-Based Software for Debt Collection and Management of Debtor’s Accounts.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
CollectPlus - Debt collection software
ioBroker - flexible and modular application for the IoT and Smarthome
Plus2 Collection Software - Debt Collection
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation