WowAce

How many quests do you have in your log? ;)

Simple and super light-weight tracking of profession links for all your alts.

Healer gear benchmark

Dynamic item DKP calculation

StarTip (Tooltips from Outerspace)

Displays friend notes in unit tooltips, at logon, and in /who results.

Shows the source of an item as a tooltip

Provides shareable notes and other information for your guild, party and raid community.

Shows the spec of people around you in the tooltip.

Tooltip of awesomeness. Moo. It'll graze your pasture.

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

Should I send that recipe to my alt?

Makes your item stats shine!

A system config addon to WOW

LibDataBroker plugin showing some random XP related data

Fix replacement tokens in Blizzards Lua/C Code

Anchors the game tooltip to your mouse!

Shows loot information in item tooltips

Creates a broker plugin for all your broker launchers

Shift-clicking on a user name in chat shows a tooltip with their whois information.