WowAce

Track any items you want in a tooltip

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

Adds item values to chat messages.

Saves Auction House search queries.

This will keep track of how much you have paid per item in your inventory. Only one of (Auctionator, Auctioneer, AuctionLite,...

An addon that automatically loots items for you.

Tells you who bought your auctions.

Helps to track outgoing mails

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

Keeps track of gold and cash flow across multiple characters

Simple money display for LDB

Go quick, or go home!

Captures chatframe Tradeskill Links for later reference in an easy to read format

View all your Auctions on any DataBroker display.

Sneakily inspect how much gold your mouseover target has made so far.

Adds Name and Buyout Price sort columns to the auction house.

Welfare Epics

Helps to find other player's alts.

GPriceEach

Repairs your items automatically upon visiting a vendor.