WowAce

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

Enables cooldown notification between players and allows party members access to each-others spell books.

Puts a timer in /yell when you get Unbound Plague during the Heroic Professor Putricide encounter

Flames anyone who lets his debuff expire on Malygos Phase 3

Fancy up the PlayerPowerBarAlt frame

Calculates incoming damage avoidance and mitigation

Assistance to the dance during Dread Spray

BigWigs_RazuviousAssistant

Make your whole party/raid aware of whats happening during and after a readycheck

RaidGroupNumber

MoBuffs

Langoustine

Fail display for Recount based on EnsidiaFails filtering options

LDB display for Oak Interrupts Broker

Announce which globule to kill during the Yor'sahj the Unsleeping encounter.

Displays both Kalecgos and Sathrovarr the Corruptor hit points during the encounter.

eeMon

Assistance for the Ra-den encounter. (Unstable Vita order, ball kill order)

Never forget which one in that 5-mob pull casts what spell again.

Automagically call who should cross over