Zenobase - Zenobase helps store and visualize data.
Push2Run - Push2Run is a free program for Windows which lets you to control your PC or laptop using your Google Home, Google Mini, Google Max or smart phone running Google Assistant.
Exist - Track everything in one place, understand your life.
SmartThings - SmartThings makes it easy to turn your home into a smart home.
Coach.me - Coach.me is a coach that goes everywhere with you, helping you achieve any goal, change any habit, or build any expertise.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.