WowAce

A Data Broker display for combat statistics.

Tracks interrupts

Replacement for default bags.

UnitActionBars

GonffBar

Acolyte2

Shows the health of the player's current bodyguard.

LDB display of currencies, gold totals and session / daily / weekly statistics for all characters on a server.

Embeddable chat throttling library with traffic shaping and priorities

FuBar_ItemBonusesFu

Makes the Blizzard options frame movable and resizable

Displays friend notes in unit tooltips, at logon, and in /who results.

Powerleveling guide framework

Wardrobe2

Constructs a SimC export string for an item without equipping it

Simple display and management of Away / AFK / Busy / DND status via broker or minimap

Quickly see what counter-combinations your epic followers cover and which ones are likely to get a new combination when rerol...

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

Shows the minimum durability of equipped items on the stats frame.

Loudmouth