WowAce

rSelfCast

Profession launcher objects for any Broker display

BossList

Angry Boss Reminders helps raiders switch to the proper talents, glyphs, and gear for each boss during a raid.

Enhances the StackSplitFrame with numbered Buttons, a '1-Click Mode' and a 'Auto Split Mode'.

Tells you which blob to kill at the Yor'sahj encounter in Dragon Soul.

Flames anyone who lets his debuff expire on Malygos Phase 3

Shows the price of a single item in the Auction House.

FuBar_MiniPerfsFu

Allows customisation of login/logout system messages.

Lists and/or reminds people missing flasks or food buffs at every ready check.

Helps you see the Halion's Corporeality during phase 3

Shows where the equipment of inspected users or yourself is from.

Hotkey interface for spells, macros, other clickables.

Congratulate people when they ding

LFD status via a DataBroker display rather than the minimap.

DebuffEnough

This addon helps us track Renewing Mist and Uplift for Mistweavers.

nRaidTracker

A popup menu containing user-programmable scripts.