WowAce

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

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

One large inventory.

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

Provides one or many informational windows with optional interactive widgets.

Libra

Displays the locations of Lunar Festival elders.

Tracks the Blood Shield for Death Knights.

Max Camera

LibItemInfo-1.0

Database of Diminishing return categories and general data

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

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

Show buffs on nameplates.

Smooth combat HUD based on ArcHUD2

Gears skins for Masque.

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

Find five Ephemeral Crystals, get a pink hippogryph

Where the lore is at

Point to quest POIs on your minimap