WowAce

Load manager for AddOns

Threat-2.0

Show what quests have changed

Displays Pet Info for Hunters and Warlocks. Also keeps track of Stables and Pet and Demon skills.

Keeps track of performance of memory, latency, and framerate.

Tracks SendAddonMessage Spam

StarTip (Tooltips from Outerspace)

Sorts the Wardrobe

Smart raid loot and DKP tracker with automated standby and learning

Automatically leaves the global channels when inside an instance/raid and restores them when exited.

Tracks the current Fear Ward's in the raid or party.

Simple right click casting.

Switch macro depending on zones or BigWigs boss modules.

Adds a highlight border to items in your MogIt Wishlist, making them easier to see.

Keeps track of current money and all your characters on one realm.

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

HUD that you can tweak the way you want.

A library to help with localization of item types and subtypes.

CT_RaidAssist style raid frames

Keeps account of attendance and loot for raids, parties, bgs, arenas and solo for questing.