WowAce

TrickOrTreat

A 'channeling spell'-tracking addon for Affliction Warlocks. Drain Soul, Drain Life/Harvest Life and Malefic Grasp.

Save and send chat messages to many channels. Allows quick item and profession linking within your messages.

Enables you to see Chinese, Japanese and other languages in game

Manages the scanning of the auction house in a reliable an efficient manner.

Adds 3 corner indicators to each corner of the Grid frames.

ChatHighlighter

Cryolysis 3

Reminds you to Life Tap and Dark Pact

Adds aggro coloring to oUF.

FuBar_ExperienceFu

Shows the price of a single item in the Auction House.

FuBar_OmenFu

Small addon to copy chat lines.

Interface-central mount management

Displays a variety of useful stats for tanking

Keeps track of honor, PvP statistics, BG Marks, and Arena points.

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

A frame with a text that gives you the amount absorb left on target, or in TankMode absorbs left on yourself.

KivinSpamGuard