WowAce

Adds Friend and Guild options to the context menu of player units.

Keep your pet fed

What did you just loot?

Notifies you of experience gains

OneChoice tries to help you reduce quest reward choices down to, ideally, one choice.

ActionCombat

Displays bars depending on your professions

TipHookerLib

Manages the SavedVariables of your addon with a layered hierarchy of settings.

Cryolysis

Allows movement and scaling of class-specific resource displays

RaidInfo

Speeds up triggering actions such as items or spells by triggering them on key/mouse down rather than release

Calculates DKP based on Item Level

AnchorsAway

GoldenRun

LibDataBroker plugin showing some random XP related data

Light-weight enhanced casting bars

Keeps track of gold and cash flow across multiple characters

SurgeonGeneral Listen CLient