WowAce

Considers an item against all the items you have to determine whether or not it is an upgrade

T_Tracking

BiGOpt

Adds a confirmation dialog when crafting Bind-On-Pickup trade skill items

Simple, nice-looking power bar addon for all classes.

Reforges stuff

FuBar_RLAssistFu

WhiteboardNG

Open those clams (and other containers)

Sets the DND flag, when are in combat.

SupplyAndDemand

PetBar

oUF element for highlighting debuffs that are dispellable by the player

lugMD

Adds indicators to the sides of Grid frames.

Monitors for friendly deaths and announces them as in Myth: The Fallen Lords

Gives a Smoother Quest Experience

Makes those pesky garrison animations go away.

Skills plugin for any DataBroker display.

BankAccountant