WowAce

Keeps track of important de-/buffs in a splash screen

SurfaceLib

BigWigs_RazuviousAssistant

Adds AFK status to Grid frames.

Aggro Warning System for Parties and Raids.

Resizes Blizzard raid frames, and adds additional options.

Automagically draw your weapons !

Joins the LFG channel automatically.

Notifies you of new calendar event invites and reminds of upcoming events on all characters and realms

Reports the total threat on a mob at the end of combat.

A helper addon for the achievements "Let It Snow", "Fistful of Love", "Shake Your Bunny-Maker", "Check Your Head", and "Turkey Lurkey"

Unit testing framework for World of Warcraft addon development.

Selectively loots your fishing catches.

Surfaces

Adds icons to the configuration menu for all standard Grid indicators.

Notifies the raid when someone is Dazed.

GDKP gold run ledger

Holy Power, Shadow Orbs, Rogue Combo Points and Monk Chi.

BangItHarder

Restores channels and channel-window associations after disconnects remove them.