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Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io
I expose my devices to Homekit and use Homekit widgets.
just look for the HomeKit Bridge integration and expose what you want. I am running one bridge per device type (light,cover,sensor,switch…)