WowAce

PetBar

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

Toggles player names.

Note + rep tracking for players, with guild data sharing.

SinkLib

Monitor the remaining duration on your Mysterious Eggs and other perishable items.

Stable

SacredBuff

Used to visualize and change values of variables/variable-trees in game

lern2count adds ABinfo castcounts to spell and actions. It has a builtin reagentcount too.

Fixes strata bugs in UI windows

A Library for stat conversion, calculation and summarization.

Lets you drag UI frames around

oUF element for highlighting debuffs that are dispellable by the player

GridLayoutPlus

Taggle

Fancy up the ExtraActionButton frame

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

TouristLib

Does a /who search of multiple dungeons.