NeedToKnow
Timer bars for buffs, debuffs, cooldowns, etc.
Mists of Pandaria 
The Burning Crusade 
Wrath of the Lich King 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 Mists of Pandaria
Discover other addons that might interest you
InterruptAnnouncer
Announces your successful interrupts to party/raid
TriviaBot
TriviaBot allows the user to host quiz games for other players.
Angry Assignments
Provides a convenient way to store and share assignments for different bosses.
Exorsus Raid Tools
Helpful addon for raiders, especially for raid leaders and officers.
Totem Timers
Helps shamans manage their totems, shields and weapon buffs.
AffDots
AffDots is a DoT power tracker addon for Warlocks
Chinchilla Minimap
Minimap addon of awesomeness. It'll nibble your hay pellets.
GatherMate2
Collects Herbs, Mines Fishing locations and adds them to the map.