We use a few Dash buttons and a macOS app (with Node.js backend) as our doorbell solution. https://github.com/calltracking/doorbell https://github.com/calltrac

We use a few Dash buttons and a macOS app (with Node.js backend) as our doorbell solution. https://github.com/calltracking/doorbell https://github.com/calltracking/doorbell It's not the most beautiful thing, but it gets the job done of letting us know when someone is at any of our 3 doors.