NeedToKnow
Timer bars for buffs, debuffs, cooldowns, etc.
Wrath of the Lich King 
Mists of Pandaria 
The Burning Crusade Addon Details
Expansion
Categories
Developers
Having issues?
NeedToKnow tracks dots, debuffs, cooldowns and spell usability. You can use it for something as simple as tracking one dot on one target or something as advanced as an internal cooldown on one of your trinkets.
Download NeedToKnow
More addons for Wrath of the Lich King
Discover other addons that might interest you
DungeonStatus
Displays the looking for dungeon queue status
WeakAuras
A powerful, comprehensive utility for displaying graphics and information based on triggers.
InspectEquip
Shows where the equipment of inspected users or yourself is from.
SpeakinSpell
Says random things in chat when casting any spell or ability.
Spy Bronzebeard
Spy for Bronzebeard
CombatTime
Simple, light-weight, LDB-enabled timer that tracks how long you spend in combat
OneBag3
OneBag is a replacement for the default game bags that combines all the bags into…
Kiwi Farm
Gold tracking addon for World of Warcraft