WowAce

Compact & customizable filtering, monitoring and grouping of buffs and debuffs

Heads Up Display with Player and Target Info

Point to quest POIs on your minimap

ItemValue

CCBreaker

Cartographer_Mining

Track of your tradeskills across characters, create small buttons for them and track cooldowns.

Raid loot tracking and text generation

Loot Distribution System

Cirque Skins for Masque

Apathy skin for Masque.

MountUp

MainAssist

Allows tradeskill usage by clicking items or reagents.

Compact rune and proc display for Death Knights.

pDebuffList

Role playing AddOn that shows extra information about characters as entered by the player.

an embeddable library providing an abstraction layer for tracking and querying Blizzard's Nameplate frames with ease and effi...

Death analysis tool

A library to help with localization of item types and subtypes.