WowAce

cyCircled_GoldOrbs

Uses linear regression and a log of hitpoint values to estimate how long a boss has left to die and reach execute range.

Displays Currencies as a Data Broker source

Joins the LFG channel automatically.

Adds Blizzard, oRA2, oRA3, CT_RA MainTank or Dungeon Finder Tank icon (shield or MT, 1, 2 ... 10) or text (MT or MT1, MT2 ......

Improved Mailbox

coolDown

Provides the the health and target of by an unit targeted mob (meant to be used for tanks).

Keeps track of instances you are saved to on your characters.

Show a rough range indicator

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

AMPFu

Displays how much total honor you have from all sources.

Adds Buff/Debuff icons to the grid frame.

FuBar2

FuBar_WintergraspFu

RBM_Hyjal

A library to provide a way to easily create controls for Blizzard's options system

Helps with interrupt notifications and announcements.

Custom minimalistic nameplates