WowAce

Shows activity for hidden ChatFrames by making their tabs flash.

A library that handles the basics of "window" style frames

Add-on that allows you to setup and quickly switch between different profiles of your action bars

EnvenomX

Allows customisation of login/logout system messages.

Angry Raid Points Client

Posts a BigBrother-QuickCheck to the raid-channel when a readycheck is started

Display and change minimap tracking modes from your FuBar.

Does a /who search of multiple dungeons.

Surfaces

ArenaPointer

Fixes UI bugs

KC_Mobility

Cartographer_NoteTarget

Draws some lovely 3D portraits in the standard Blizzard artwork.

Saves contents of your guild bank and sends/receives updates over the addon channel

rSelfCast

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

NextStep

AnchorsAway