HelpFull Addons

Quest Helper : tells you how to finish your quests in the easiest, fastest manner. It includes a database of quests, monsters, and items, telling you the exact location of that dang Perfect Satyr Horn you can't find. It also computes the fastest path to complete all your quests - and gain experience - as quickly as possible.
Download From HERE


Cartographer : is a modular, lightweight, and efficient framework for manipulation of the world map. It is based on Rock and other libraries of the wowace community.
Download From HERE


MobInfo : is a World of Warcraft AddOn that provides you with useful additional information about Mobs (ie. opponents/monsters). It adds new information to the game's Tooltip whenever you hover with your mouse over a mob. It also adds a numeric display of the Mobs health and mana (current and max) to the Mob target frame
Download From HERE

And you can download more addons from http://wow.curse.com/