WowAce

Graphical timer bars

Allows frames to be dragged around, without permanently changing their position.

Questing minion

Combination of Titan LootType and Roll - stripped down and cleaned up.

Saves your watched quests and achivement between sessions

Displays the health of Yogg-Saron's brain during Phase 2 for all raid members.

Displays guild members on the world and mini map

Adds predicted lists for spells while the user types

A simplistic clock.

Reminds you to Life Tap and Dark Pact

AuctionProfit saves information from your invoice auction house mails.

Shows on the minimap where to fetch Finklestein's reagents

PvP Trinket Tracker

Adds FuBar_GarbageFu filters to Baggins

Addon to manipulate the map

Displays performance-related stats for shadow priests.

Simplistic addon to load Talented on demand

Addon to provide a much nicer map

Sunwell Plateau assistant. Provides "un-ignorable" overlay notifications for Brutallus/Felmyst/Twins. Felmyst warnings includ...

Displays online guild mates.