WowAce

A Data Broker display for combat statistics.

Omnibus

FuBar_TransporterFu

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

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

A library to handle rearrangement of blizzard's frames when bars are added to the sides of the screen.

CCBreaker

Acolyte2

Cartographer_Noteshare

UnitActionBars

Allows customisation of login/logout system messages.

Need Greed window for EPGP lootdistribution.

Note + rep tracking for players, with guild data sharing.

Wardrobe2

OneBag is a replacement for the default game bags that combines all the bags into one frame.

Tracks profession specific cooldowns and items across all your characters

ClosetGnome_Fishing

Bind spells, items, and macros to keys, without using action buttons

Makes the Blizzard options frame movable and resizable

eePanels