ioBroker - flexible and modular application for the IoT and Smarthome
Hevy - Simple workout logging, insightful analytics, and a growing community of gym athletes.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Strong.app - Strenght training logger.
Mi Remote controller - Mi Remote controller is a reliable free to use application that allows you to control any electric appliances with your phone.
GymBook - Efficiently create, log and analyze workouts at the gym 💪🏼