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
Range Display
Estimated range display.
pMinimap
Yet another square minimap addon.
Magic Targets 2
Frames that shows the current targets of the members raid or party.
BunchOfBars
Modular and lightweight party/raid frames.
AutoShop
Automatically buy, sell, repair, and protect items at shops.
Echoes Bot Manager
A lightweight WoW addon that provides a clean, tabbed UI for viewing and managing Echoes-related…
AuctioneerSuite
Provides you with the tools and data necessary to make those difficult auctioning decisions.
Healers Have To Die
A simple Add-on that rings when you hover or target an enemy healer.