WowAce

Incubator

StarTip (Tooltips from Outerspace)

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

Unit Frames of awesomeness. Woof. It'll bite your face off.

Lightweight but powerful auction house interface

Collectinator is an addon which will scan your pets and mounts and provide information on how to obtain them.

Show the transmog appearance of an item when you mouse over it, and shows collection-status in bags, shops, and elsewhere. Works on transmog, mounts, pets, and decor.

Automatically enables or disables combat logging based on location.

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

Item stat breakdown, analysis and comparison

Textures for Stop Motion

From bags we came, to bank we return

Tracks herbs/ore/items that can be broken into component pieces

Max Camera

Bulk mail sending made really easy

Numerical and graphical display of Combo Points and similar buffs/debuffs. Also tracks Holy Power and Soul Shards.

Displays the locations of Lunar Festival elders.

Lightweight Chat Improvements

Complete tradeskill information.

XP bar using Ace3.