Sidehistorik
Great tutorial: https://mysmarthomeweb.wordpress.com/
Examples of configs: https://community.openhab.org/t/examples-of-habpanel-solutions/15557/39
Matrix theme: https://community.openhab.org/t/matrix-theme-for-habpanel/31100
Hacking: https://community.openhab.org/t/hacking-basicui-my-current-theme-oh2-setup-update-with-repo/45850
Eclipse IoT Marketplace: https://www.openhab.org/docs/configuration/eclipseiotmarket.html
OpenHAB with Wavin Gulvarme https://www.lav-det-selv.dk/forum/aft/210932
Things to do with your network-connected Denon/Marantz receiver
http://techblog.vindvejr.dk/?cat=13
Controlling IKEA Trådfri Lights from your Pi
https://learn.pimoroni.com/tutorial/sandyj/controlling-ikea-tradfri-lights-from-your-pi