This is going to be WillowRealms server plugin called town creator you basicly just create towns and you can invite people to your town! This plugin also includes gold used too pay for your towns tax every month of 10 gold ingots a month. If it is not payed your town will be earased and your buildings will be left open. You can have only one town!
Commands.
/towncreate (size in blocks) (yes or no mod spawn) (max members) (your ign)
/townerase (deletes your town)
/towninvite (player name)
/townpremote (promotion to mayor guardian or citizen)
/townchat (chat with you town members)