WowAce

Automated smart raid marking to speed up trash clearing in instance runs

Smart raid loot and DKP tracker with automated standby and learning

QuestLog

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

ItemBonusLib

Raid loot tracking and text generation

Some handy events that should exist in the default UI

Wowhead Data dump for GatherMate

Depot

SacredBuff

Angry Assignments

FuBar_VampwatchFu

Target Debuff monitor. Stacking aware, giving current and potential debuff status.

Death analysis tool

Allows you to preview weapon glow in Dressing Room.

Open those pesky lockboxes

GotWood

A library to provide a clean dropdown menu interface.

Configure triggers to send messages to your raid team such as timers, rotations, and health/power based triggers. Raid smarter not harder.

Searches bags/banks of all your characters/guilds.