WowAce

mHud

Quest library for mob location and other information

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

Mark My Words

CharScanner scans Basic Character Data, Talent Specifications, Equipment, PvE/PvP Achievements, PvE Boss Kill Statistics and ...

Bidder

Group interrupt cooldown tracking.

Adds manabars to the sides of Grid frames.

Open all your mail

Assister

Stores a browsable database of spells that mobs cast

Battleground Timers in a HUD around the Blizzard BG status

Tracking and ranking of dps/hps in a guild.

Add a line to herb tooltips that shows what pigment they produce.

A customizable view of friends and guildmates.

Uses guild notes to add alts' main names to chat windows and other places

aUF_RangeCheck

Blocks Chinese Chat

TouristLib

Historian