WowAce

A Library for stat conversion, calculation and summarization.

Barks at you when you target a crowd-controlled unit

Cartographer_Noteshare

GUI Configuration Library

Announces Mage Spells in chat.

Static library of wow map data

tekSupport

Auto and random summon highly customizable for your pets and mounts, with Data Broker support.

Keeps track of space left in your bags.

Shows ZoneInfo on the World Map in a perfectly cromulent fashion.

ClosetGnome_Fishing

WhiteboardNG

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

A simple slash-command-based addon for querying item information from the Blizzard servers via ItemIDs and SpellIDs.

Need Greed window for EPGP lootdistribution.

Search, filter and craft gems in the game!

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

Stores a browsable database of spells that mobs cast

The One-Key-Mount™ — Simple to use, configured with Rock

BankAccountant