WowAce

Combine

Keeps track of performance of memory, latency, and framerate.

Bind spells, items, and macros to keys, without using action buttons

pDebuffList

Provides the /in command for delayed execution.

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

TabletLib

Healer gear benchmark

Creates virtual cyphered chat channels over guild addon communication channel.

A library to get currencies' related information

Track any items you want in a tooltip

Aura alarm.

Campaign maps for Warcraft Conquest Moon Guard server

Combination of Titan LootType and Roll - stripped down and cleaned up.

Keeps track of your reagents for buffing.

RBM

LDB data source for currency flow

Adds the toon name to the alert that your RealID friend has come online.

Detects specific CDs and spellcasts

Displays Pet Info for Hunters and Warlocks. Also keeps track of Stables and Pet and Demon skills.