They have some others but this seems like the value play.
home automation control software, including smartphone client
This should work for a garage-to-hallway door nicely.
Home Depot only carries a z-wave dimmer that isn't ugly by Leviton, for $58
Might be the cheapest way to get all the radios, before switching to OpenHAB or similar. I'm not sure it can control WiFi-based thermostats, but the Wiser Air can talk to both WiFi and ZigBee...
If I wanted to get code-nerdy, I could bypass the whole OpenHAB/Domoticz stuff and go straight to coding. But ouch, there's enough coding involved in the others to make it challenging, and I'd be lacking a friendly digital user interface.
This one has 6th Sense smart features.
This is their bargain option and a compact size.