WowAce

A noble spirit embiggens the smallest player arrow.

Library providing mouse-click support for LibQTip-1.0.

Control screenshot format and quality via LDB displays

Records mail when visiting the mailbox to make keeping track of mail and expiration dates easy.

TrickOrTreat

Flames anyone who lets his debuff expire on Malygos Phase 3

TrapBar

Light-weight enhanced casting bars

Tracks interrupts

Interface-central mount management

GridStatusIncomingHeals

Fade Blizzard Raid Frames

Adds pipes which can control arbitary other statuses (like toggle status on key or "in combat"-state).

TradeBar

Raid target control and instance shortcuts for Broker

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

vChat

Automatically and immediately cancels all in-game cinematics and movies

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

Quickly builds /target macros for immediate use.