WowAce

Ghost: Pulse

Provides training reminders to help decipher the Blizzard Spell Alerts.

Hides the Order Hall Command Bar

aX_RaidStatus

Quickly builds /target macros for immediate use.

Helps to track outgoing mails

Shows more recipies in the profession window.

Evaluates your gear

Restores channels and channel-window associations after disconnects remove them.

"Range finder/display for Discipline's Holy Nova"

Toolset for tanks, providing information on taunts and other valuable information.

tekProber

Battle.net point query addon in Chinese realms(中国国服战网点插件)

Deformat

Spawns toasts for looted items, money, and currencies.

Enhances the Equipment Manager to let you control the helm/cloak visibility for each set.

Customizeable UI to display the values tracked by AbsorbsMonitor

Combat Alert

Uses linear regression and a log of hitpoint values to estimate how long a boss has left to die and reach execute range.

Holy Power, Shadow Orbs, Rogue Combo Points and Monk Chi.