WowAce

Barks at you when you target a crowd-controlled unit

Mark Worshipping player during the Cho'gall encounter

Customize the PlayerPowerBarAlt display

Reports in raid chat whenever a raid member "fails." /EnsidiaFailsWotLK to configure.

Display who did the Worship interrupting on Chogall

Fail display for Recount based on EnsidiaFails filtering options

Fires events whenever a raid member "fails".

Assign different roles to raid signs and post them to the chat

Automate talking with the chatty gnome at Chimaeron's lair

Calculates incoming damage avoidance and mitigation

Raid level alternative player power warning (Atramedes, Cho'gall, Lord Rhyolith)

RaidWatch_WotLK

Manages tracking of raid attendance, loot, and more.

A Healing Assignment management addon

Shows at-a-glance what raid buffs/debuffs you have.

Continuation of Shadowed Unit Frames

Visual interrupt monitor

It's a doodle pad for doodling with doodles.

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

PutricidePlague