I had My minecraft server scanned by at least 3 different bots, and I even had some friendly guy join my server that apparently found it using a bot he wrote. I’m now using a whitelist lol. One of the account names that scanned my server was "Fifth Column, which is a griefing group.

There’s plenty of good, open source UX in FOSS. Have you seen the Gnome family of apps? They look great and are easy to understand.