WowAce

Marks the locations of Hallow's End candy buckets on the worldmap and minimap.

OneBag is a replacement for the default game bags that combines all the bags into one frame.

Provides access to all Portal and Teleport spells on right click of one button.

Libra

LiteStep skins for Masque.

Tracks the Blood Shield for Death Knights.

One large inventory.

Displays the locations of Lunar Festival elders.

Provides one or many informational windows with optional interactive widgets.

LibItemInfo-1.0

Max Camera

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

Database of Diminishing return categories and general data

Point to quest POIs on your minimap

Smooth combat HUD based on ArcHUD2

A library to provide information about zones and instances.

Show buffs on nameplates.

EBB adds groups of bars to your screen showing you which (de)buffs currently affect your toon or some other units.

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

Find five Ephemeral Crystals, get a pink hippogryph