WowAce

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

tekSupport

FuBar_PoisonReminderFu

mHud

DeuceCommander

Allows you to prevent addons from sending and receiving messages.

Considers an item against all the items you have to determine whether or not it is an upgrade

eeShards

Library handling communcation for Magic* addons

Provides database of quest giving npcs/mobs/objects for display on the World Map/Minimap

FuBar_TrainerFu

Gathers statistics on certain chance-on-use spells, also known as procs.

Manages tracking of raid attendance, loot, and more.

Database of Vendor locations for HandyNotes

Display bag usage on each of your bag slots.

Show where the chests are for Withered Army Training

FuBar_OutfitterFu

OneCore is the centralized code shared between the OneBag Suite

Pins on the World Map for quests you have not completed yet

Quickly see what counter-combinations your epic followers cover and which ones are likely to get a new combination when rerol...