smeeps

https://gadgetbridge.org/basics/features/navigation/

Looks like navigation is not supported

In the Gadgetbridge settings it says it only works with OsmAnd and Google Maps, neither of which I use. But it should work with those two

Weather works on my Zepp OS watch. Breezy Weather syncs it to gadgetbrige

If you want something feature rich, I have the Amazfit Balance Watch and its just as nice as the Pixel Watch hardware wise. It runs a closed source Chinese Zepp OS but if you pair it with GadgetBridge, none of your data can go anywhere except your phone local storage, and 95% of the features work well.

Reolink doorbell is great. Comes in a WiFi or PoE configuration. Can be used with their app with a local NVR, or used as an IP cam into your own NVR.