WowAce

AnchorsAway

Show coordinates on minimap

ClassColors

Make it easy to explain bosses in Raids.

ArenaPointer

Monitor the remaining duration on your Mysterious Eggs and other perishable items.

Shows activity for hidden ChatFrames by making their tabs flash.

Lists Pots and Herbs you got on all chars and allows you to specify color coding

AltClick an item in your bag to add it a mail, auction, or trade frame, and alt-click to buy a stack if reagents.

Tooltip of socials button will now show which friends are online

FuBar_FactionItemsFu

Tells you who bought your auctions.

WhiteboardNG

Warnings about tanking specific abilities

Adds manabars to the sides of Grid frames.

RotLatency keeps track of your reaction to cooldown expiration.

A popup menu containing user-programmable scripts.

Library to aid in the classification of Mounts

Displays friend notes in unit tooltips, at logon, and in /who results.

Shows learned recipes of all characters.