WowAce

Gathers statistics on certain chance-on-use spells, also known as procs.

Battleground Timers in a HUD around the Blizzard BG status

fmBuffCheck

opens/closes all bags when at merchant (instead of only the backpack)

Talented_Data

Announces Mage Spells in chat.

Leveling guides for trade skill professions.

item2phpBB

HealComm-2.0

ItemValue

Tracks SendAddonMessage Spam

Monk Brewmaster/WindWalker Priority and Buff/Debuff Tracking Tool

Suppresses chat messages from damage meters and provides single chat-link damage statistics in a popup.

LDB data source for herb, ore and skinning node data

The One-Key-Mount™ — Simple to use, configured with Rock

Provides the ability to suppress specific spellcasts like "Deaden" from your casting bars.

Adds options to create customized layouts from within grid.

ElectrofluxTextronator

PriceTag

cgCrafty