Seconded. I tried some of the consumer devices that ran over Z-Wave before OpenGarage. They worked fine but would invariably require a reset after a couple months. This meant I couldn't really rely on this and leave my keys at home. My OpenGarage unit has been super reliable for 2+ years.

Have one, works great and doesn't depend on the cloud. Nice that it can tell the difference between door open/closed, and when closed it can tell if there's a car/truck present.

Throwing my vote behind this. It's extremely slick! I haven't had any issues with it working or reporting correctly and it ties into Home Assistant quite nicely!