WowAce

Adds four icon indicators to Grid (top, bottom, left and right).

A library for PvP and Battlegrounds

ItemSync the happy item gatherer and toolkit.

Friends & Guild Data Broker plugin.

Pet Theory

Replacement for default Rune Frame and more.

Fires events whenever a raid member "fails".

FuBar_ButtonSmashFu

MAcon

A popup menu containing user-programmable scripts.

Provide plenty of links

Automatically generate and announce optimal spirit totem assignments during the Gara'jal encounter in Mogu'shan Vaults.

Allow rule based automatic rolling on loot.

Powerleveling guide framework

Gives detailed descriptions of particular localities, as zones or instances, and provides optional TomTom integration.

FuBar_InnboundFu

Allows you to browse your clients database

Target Debuff monitor. Stacking aware, giving current and potential debuff status.

Healer gear benchmark

A filter tool for blizzards TradeSkillUI