Habitica - Habitica is a free habit building and productivity application.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Coach.me - Coach.me is a coach that goes everywhere with you, helping you achieve any goal, change any habit, or build any expertise.
ioBroker - flexible and modular application for the IoT and Smarthome
Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation