WowAce

Item stat breakdown, analysis and comparison

Textures for Stop Motion

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.

Henge

Provides one or many frames for dumping text into.

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.

The Talent Template Editor

Data Broker Display similar to FuBar

Complete tradeskill information.

From bags we came, to bank we return

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

Bulk mail sending made really easy

Enhances the default AddOns list.

Max Camera

Track time played, rested XP and money for all characters

Checks Raid Buffs/Flasks/Consumables. Tunable alerts for misdirects, taunts, cc breakage, rez, dispel and interrupt

A library to help with localization of races.

Lightweight Chat Improvements

XP bar using Ace3.