WowAce

Automatically converts a party to a raid when you attempt to zone into a raid zone without a raid.

Counts stacked lifeblooms and uses progressive colors to indicate the active number of HOTs.

Adds aggro coloring to oUF.

AllYouCanEat shows information about the following statistics: beverages, foods, bandage types, potions, elixirs and flasks.

MouseLook

DrumCoord

Colors friends/bg score board/who list names by class color

Bits

Tracks interrupts

Adds a simple percentage threat status to Grid.

Add in keybindings to place raid marks on mouseover, or the target if there is no unit being moused over

Easy Button for casting MD/ES/ToT etc on tanks.

Notifies you when you get aggro.

Filters unimportant Buffs.

Automatically equip 'Chef's Hat' if the Chef enters the kitchen (Cooking TradeSkill).

Raid cooldown assignments for healers

Steroids

PvP plugin for any DataBroker display.

The ultimate in lazy Ulduar raiding

Whisp