I joined DungeonRealms, Herocraft and other RPG servers and I noticed something kinda amazing. Those have your level, hp, mp and such stored into a book that you can see any time. Is that a public plugin? What is it? If it's not, is it hard to do myself?
Those type of plugins are private owned plugins usually made by the server's private developers. Although you may find something identical or similar to that on here.