WowAce

Replacement for the default nameplates.

Replacement of build-in loot frame

BuffProtectorGnome

Display an arrow that points to a raid/party member anchored to raid frames

A 'channeling spell'-tracking addon for Affliction Warlocks. Drain Soul, Drain Life/Harvest Life and Malefic Grasp.

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

BankItemsFu

Fade Blizzard Raid Frames

Replacement for the default minimap.

Enhances the StackSplitFrame with numbered Buttons, a '1-Click Mode' and a 'Auto Split Mode'.

Set the clicking action for Grid buttons

Sneakily inspect how much gold your mouseover target has made so far.

This addon helps with daily quests.

Dropin replacement library for SetBackDrop

Library to help with querying unit talents.

A FPS Data Broker plugin.

Surfaces

Keeps track of time played and rested XP across your characters.

What did you just loot?

RaidGroupNumber