I’ve been getting into home automation recently and I’ve given myself a rule: nothing cloud connected. If I can’t run it off my local server, I don’t want it. I have much more motivation to secure my home than any company ever will.
I'd love to know what products you are using.
It runs entirely locally.
Otherwise zigbee and z-wave products mostly work completely offline.
Some Xiaomi products (you need to be careful, as not all work offline) work offline and can be connected to local servers.
For shutters I use products by Rademacher. Its yet another base station (by now I have 4...), but they can be connected over http locally.
Been looking for that for a while but no way I ever trust a cloud connected one anf everything passable connects to cloud.
Not sure if all versions can be made to do this or just some.