WowAce

Simple language selection for Data Broker

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

Adds two icon indicators to each corner (total: 8 icon indicators).

Adds on-screen buttons for the farming tools and seeds.

Information display for Hunters.

Shows a circle on the minimap to indicate spell range

Client for MagicDKP which handles standby calls and bidding on items.

DotDotDot

DarkCandy

FuBar_ChatAlertsFu

Tracks your keystones

Rep2 displays a message, which shows how much reputation you gained, and how much is needed until the next standing.

MainAssist

mHud

Hourglass

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

A library to handle rearrangement of blizzard's frames when bars are added to the sides of the screen.

mDarkPact

Smooth group roll frames

LibDataBroker plugin showing some random XP related data