WowAce

Pins on the World Map for quests you have not completed yet

Provides more visible access to dungeon and raid difficulty settings via FuBar.

Tracks profession specific cooldowns and items across all your characters

Automatic Refilling of User Defined Items

A library to help with localization of Archeology dig sites

Library to help with querying unit talents.

SanityItemCache

Allow rule based automatic rolling on loot.

ClosetGnome_Mount

Show extra information about Jewels and Enchants in tooltips.

Cancellation

FuBar_LoadLODFu

Piece of mind by being one with your class.

Captures chatframe Tradeskill Links for later reference in an easy to read format

QuestAnnouncer

Allows you to prevent addons from sending and receiving messages.

BiGOpt

NabuFiveSec

EnchantList

Make it easy to explain bosses in Raids.