WowAce

Flames anyone who lets his debuff expire on Malygos Phase 3

Cartographer_Noteshare

Keeps track of gold and cash flow across multiple characters

SurgeonGeneral Listen CLient

Clean looking square minimap with many options.

Raid level alternative player power warning (Atramedes, Cho'gall, Lord Rhyolith)

Library supporting plug in filters.

Automatic tracking of the current target's creature type. For the discerning PvE hunter.

Simple and rich Death Knight rune customizations

AutoFIR

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

FuBar_ExitFu

Speeds up triggering actions such as items or spells by triggering them on key/mouse down rather than release

Shows the spec of people around you in the tooltip.

ColaLight

Client for MagicDKP which handles standby calls and bidding on items.

Tracks the precise arrival & departure schedules of boats and Zeppelins around Azeroth and displays them on the Mini-Map and ...

Fixes UI bugs

Adds two icon indicators to each corner (total: 8 icon indicators).

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