WowAce

Numerical and graphical display of Combo Points and similar buffs/debuffs. Also tracks Holy Power and Soul Shards.

AutoMagicly clicks though Daily Quests, and Turns them In.

A display for LibDataBroker-1.1

Watches your chat, flagging missplled words, and offering correctly spelled suggestions.

Shaman totem bar

A library to help with localization of factions.

Archaeology Assistant

Keeps account of attendance and loot for raids, parties, bgs, arenas and solo for questing.

Tooltip of awesomeness. Moo. It'll graze your pasture.

Calculates and shows your TankPoints in the PaperDall Frame.

Adds various information based on PeriodicTable to item tooltips.

Enables multi-line/unlimited-length pasting of text or commands into WoW

Babble-2.2

Shows you a much bigger icon selection frame

Violation

A library to provide a markup syntax

Display auras on action buttons.

Bulk mail sending made really easy

Caith skin for Masque.

Automatically enables or disables combat logging based on location.