WowAce

RotLatency keeps track of your reaction to cooldown expiration.

Helps you decide which ability to use next according to priority you set

Keeps track of durability and pops up a dialog to repair when you go to a vendor who can.

A superior broker/LDB display for users of the Recount damage-meter.

ImprovedRWF

mDarkPact

Tracks your keystones

Battleground Timers in a HUD around the Blizzard BG status

BananaBar2

adds navigation buttons to Encounter Journal

Fixes UI bugs

Prompts for canceling of pet battles if no rare pet is found in the opposing team.

RootsBidder

PoisonMenu

eePanels

Crowd-control monitor

TableTopLib

NRT_EPGP

Does a /who search of multiple dungeons.

PriceTag