WowAce

CombatAnnounce

Swap a random tabard every time you visit the bank if you are wearing one

A fully featured library tracking all ongoing absorb effects

Keeps track of honor, PvP statistics, BG Marks, and Arena points.

FuBar_MiniClockFu

Adds Outfitter set filters to AdiBags.

wRlog

Library for tracking cooldowns of other players

Show a rough range indicator

ItemPrice-1.1

Announces interrupts in the chat

GatherHud for GatherMate2 with Routes support

Reminds you to Life Tap and Dark Pact

WeaponRebuff

Communicates with guild members for their positions on the world map

Never forget which one in that 5-mob pull casts what spell again.

Tweak the tradeskill windows

Keeps a list of all items you want and shows how much you need.

Library to provide non-explicit cooldown tracking and callbacks.

Go quick, or go home!