I’m interessed in openHAB and have one main goal (more to come in future for sure):
I want to on/off switch one of three (wifi) sockets and see what their electeical loads consumes.
I am willing to install openHAB on my Raspberry Pi2. But before I start to investieren some time in this, I would like to know if there is already a binding/inclusion for the devices and if the GUI is able to show this type of “device” (power measurement, maybe with a graph, past x days/month and maybe a forecast).
In general everything you are asking is very possible in OH. However, I can’t say that OH works with any of these three outlets. Just because a device is “wifi” or “bluetooth” does not mean that OH can talk to it. There also must be an API that defines the messages, ports, and all the other details necessary to pass messages back and forth. I don’t speak German so I can’t comment on the second two but the first one has nothing on the its page upon a quick review that tells me there is a publicly defined API for communicating with it.