WowAce

Shows a money overview for your current realm in the tooltip on the money in your bags

Shows a frame to track your debuff on Malygos in phase three.

NielasAran

Protractor

Simple, nice-looking power bar addon for all classes.

ag_Pimpster

TextSpy

A system config addon to WOW

Displays performance-related stats for shadow priests.

Communicates with guild members for their positions on the world map

GratuityLib

GPriceEach

Lets you drag UI frames around

A lib to manage action bar and timers

Allows movement and scaling of class-specific resource displays

WhisperBid

Adds aura indicators to unit frames

"Shows Call To Arms status in an LDB data provider."

Displays both Kalecgos and Sathrovarr the Corruptor hit points during the encounter.

Facilitate better communication for loot councils