WowAce

Displays the locations of Lunar Festival elders.

One large inventory.

Library providing mappings between trade skill recipes, spells and created items

Adds mob patrol paths to your map.

Parses ToC and adds About panel to Interface options

Shows you a much bigger icon selection frame

Data Broker Display similar to FuBar

In-game theorycraft. Calculates actual damage/healing based on gear, talents and buffs.

Timers for Buffs, DOTs, CC effects, etc..

Displays the locations of the chests for the Treasure, Treasure Everywhere achievement

A display for LibDataBroker-1.1

Floating Combat Text of awesomeness. Caw. It'll eat your crackers.

Show buffs on nameplates.

Auto repair + shows durability.

Textures for Stop Motion

Provides one or many informational windows with optional interactive widgets.

Addon to manipulate the map

Configurable Castbars

Database of Diminishing return categories and general data

Makes the Blizzard options frame movable and resizable