WowAce

Questing minion

Bayi's Extended Questlog

Tracks the HoTs you cast.

AutoMagicly clicks though Daily Quests, and Turns them In.

Prat

Archaeology Assistant

An extension to the default WoW Unit Frames.

Lightweight Chat Improvements

DKP system for all guilds in the Banana Republic.

Apathy skin for Masque.

Cirque Skins for Masque

Database of Diminishing return categories and general data

A blizzard group finder replacement

Onyx skins for Masque.

Visualises healing.

Provides access to all Portal and Teleport spells on right click of one button.

Incubator

Configure triggers to send messages to your raid team such as timers, rotations, and health/power based triggers. Raid smarter not harder.

Keeps track of your top hits, heals, criticals, etc.

Bulk mail reception made really easy