WowAce

Shows the group leader, raid assistants, and master looter in Grid.

Swiss Army knife for instances, including player tracking, ignore buttons, loot tracking, notes, and more.

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

Plays amusing sounds whenever you skin a mob

Go quick, or go home!

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

Displays a grid of guild ranks versus permissions.

A module that lets you find out what today's dailies are without having to visit the quest givers.

Adds an inobtrusive circular castbar around the mousecursor, handy for Clique users

Shows guild and system message of the day only if either one of them has changed since the last login.

ItemEnchantApplication

Light-weight enhanced casting bars

Fixes strata bugs in UI windows

Buffalo2

Simple, light-weight, LDB-enabled timer that tracks how long you spend in combat

A FPS Data Broker plugin.

Makes tracking reputation much simpler. By InSo(v)nIaX

Privacy2

Handles the assignment, coordination, and announcement of many parts of the Lich King encounter in Icecrown Citadel.

Scaffold