WowAce

A customizable buff/debuff display replacement for the default Blizzard frames (with right click cancelaura support).

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

Adds aggro coloring to oUF.

Adds notes to item tooltips

Bits

MobHealth3_BlizzardFrames

LatencyAlert

A library that maintains a cache of items and their types.

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

Automatically and immediately cancels all in-game cinematics and movies

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

LD50_armor

Tracks interrupts

Makes the Blizzard options frame movable and resizable

FuBar_SpeedFu

The ultimate in lazy Ulduar raiding

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

EasyPet

GDKP gold run ledger

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