Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Paletro - Enable command palette (⇧⌘P) in any application on macOS
ioBroker - flexible and modular application for the IoT and Smarthome
Hey Siri - Commands you can use on your iOS and macOS Devices
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
Sol - Replace your macOS command palette tool with an open source version, all the perks of advanced tools like raycast or Alfred at your finger tips