WowAce

BagPress

ArenaHistory

Advanced Chat Filtering and Spam Blocking Addon

Powerleveling guide framework

AbacusLib

Shows a window displaying any raid member below 10,000 health during the Chimaeron encounter.

Library for tracking mouse gestures

A plugin for OneBag to make your keyring the same texture as OneBag/Bank.

BossWhisperer

On login, displays changes to your guild since the last time you logged in.

Constructs a SimC export string for an item without equipping it

Adds 3 corner indicators to each corner of the Grid frames.

Spell overlay customization and spell state HUD.

A DPS Data Broker plugin.

Control screenshot format and quality via LDB displays

Ghost: Pulse

A 'channeling spell'-tracking addon for Affliction Warlocks. Drain Soul, Drain Life/Harvest Life and Malefic Grasp.

A PitBull4 module which shows an arrow that points to raid members

Broker2FuBar

Shows the price of a single item in the Auction House.