LevelUP

It is a very good plugin, if you need to give presents for players, when them levelups!

Config is very simple:

General  :  
   maxLevel   :  50  # Player cannot get level more than this   
   LevelUp  :  
      level_5   :   # use 'level_', then add number of level   
         message   :   "You reached level 5 and your prize is FLY MODE!"   # This is a custom levelup message   
         prizes   :   # Setup string list of commands, that will execute when player lelvelup  
         - fly  %player%   
      level_10  :  
         message   :   "You reached level 10 and your prize is GOD MODE!"   
         prizes   : 
         - god  %player%   
      level_25  :  
         message   :   "You reached level 5 and your prize is CREATIVE!"   
         prizes   : 
         - gm 1  %player%   
      level_50  :  
         message   :   "You reached level 5 and your prize is INVISIBLE MODE!"   
         prizes   : 
         - vanish  %player%   
Messages   :   # Full localisation ;)   
   MaxLevelReached   :   "You reached max level!"   
   LevelUP   :   "Congrats! You reached next level from %oldLevel% to %newLevel%"   
   Reloaded   :   "Plugin reloaded!"   
   NoPerms   :   "No perms!"   
   Usage   :   "Usage: /levelup reload"