WowAce

With Mists of Pandaria Blizzard publish all characters from an account unless you disable that 'feature'. This addon warns you.

DrumCoord

Addon management panel extreme release edition

Makes most default frames movable (mailbox, achievements window etc.)

LibRockConsole-1.0

FuBar_SpeedFu

FuBar2

Winded

Klappa

Make noise when the servr is going to restart

Not required if you already have TinyTip, as this is a basic TinyTip module. Allows you to reposition the tooltip, smart repo...

A library to provide a way to easily create controls for Blizzard's options system

Baggins_ClosetGnome

Adds a Crowd Control Tracker mode and data collection to Skada.

Tattles to your default chat frame who has used their taunt nearby

Mage Portal Whisper: whisper custom message when someone asked for a portal but youre busy.

Enables RatingBuster to calculate selected buff effects even if you don't really have them

Notifies the raid when someone is Dazed.

Responds to DBM version checks, so that you don't have to.

Shows on the minimap where to fetch Finklestein's reagents