The free version does not include several features, for that please look here
Not included in free version is:
Commands usable by non-admins
Disguises saved on quit or chunk unload
Multiline names when using armorstands option
The free version is intended for the...
#1 RPG Mod for Minecraft of ALL TIME!
Fully featured mmo-like party system
Admins can start XP events
Countless Skills and Abilities!
Competitive Skill Leaderboards
Skills that focus on fun gameplay rather than restriction