WowAce

Provides accurate, millisecond-level timing.

BankAccountant

DKP ingame management

IDCard

Allows you to loot BoP items without prompting when not in a group or raid

Status indicator that shows if a unit is hostile (probably mindcontrolled)

Broker add-on for GemHelper

A library to provide tools for formatting money and time.

FuBar_XPerlFu

SVG Render-bender

Add-on that shows which battle pets can be farmed this week

Adds Buff/Debuff icons to the grid frame.

Paparazzi

SeeingRed

HealGraph

Enhance Shaman Cooldown Tracker

Right-click on minimap blips to open a targeting menu (out of combat).

A library which provide tools for detecting adverse effects on units.

Allows raid leaders to view information on raid or guild member equipment information

Adds AFK status to Grid frames.