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

Lets you know whether the item you hover is good for your spec.

Talented is a replacement to the default Talent UI, with a lot of added features.

Prettier, lightweight, configurable nameplates.

Afflictions display and cleaning for solo, group and raids with advanced filtering.

pfQuest is a quest helper for Wrath of the Lich King

Scrolls battle information around the character model.

Replaces the normal unit, party, target, pet frames and adds target-of-target.

A lightweight, flexible, multi-target threat meter.

Displays the duration of CC effects on your character.

Adds a list of all the spells for your class in a new tab in the spellbook.

Compact frames for your raid.

Backported version of Trade Skill Master (TSM).

Detects and alerts you to the presence of nearby enemy players.

Rotation-helper addon that shows you what spell or ability you should use in order to maximize your damage

Flash an ability's icon in the middle of the screen when it comes off cooldown.

Displays a progress bar for your attack speed.

Acts as your portable navigation assistant.

Arena enemy unit frames.

Addon to manipulate the map.

Make your shiny items... glow in the dark.

Raid Frames providing click-heal functionality, buff and debuff control and much more

A remake of the built-in lootframe.

Give whispers an instant messenger feel.