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Loxone is fine but way to expensive in my eyes.

Check from page 14 the Homematic (wired) devices:...

I use ioBroker and happy with it - here a list what you can connect with ioBroker:
http://download.iobroker.net/list.html

Here the openhab list:
https://docs.openhab.org/addons/bindings.html...

I tried to post an overview Homematic vs Homematic IP but it did not work out - but you can read it also here:
https://homematic-forum.de/forum/viewtopic.php?f=49&t=41325

I can recommoned Homematic IP for beginners.
Or go a complete other way and use ioBroker or Openhab on a Raspi. Than you can combine easily different smart technologies.