WowAce

Tells you if you're buffed

A library for manipulating UTF-8 strings

Simplifies GDKP bidding processes

Parabole skin for Masque

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

Improvements to the standard Blizzard Eclipse bar for balance druids. Use /ebp for the config screen.

Raid flares without problems with UI taint and errors, using mechanisms introduced in patch 4.3

Light-weight enhanced casting bars

oUF Layout

Replacement for default bags.

Addon to switch all your AceDB profiles via slash command. This tool also allows you to emulate profiles for non AceDB addons.

Interface-central mount management

Bag and item management utilities

RaidWatch_MC

RaidWatch_WotLK

The core module for RW

Does a /who search of multiple dungeons.

This addon helps with daily quests.

A library that tells wether a item is a quest item or not (equipped or in bags)

Spell overlay customization and spell state HUD.