WowAce

One large inventory.

Smart mount randomization on a button! Empty coconut halves not included.

View an image of your guild vault from anywhere.

Apathy skin for Masque.

Cirque Skins for Masque

Drop the cheapest thing you're carrying

Entropy skins for Masque.

DogChow

ClosetGnome_Switcher

Onyx skins for Masque.

Keeps track of space left in your bags.

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

FuBar_PTReagentFu

ItemSync the happy item gatherer and toolkit.

FuBar_FarmerFu

Shows where the equipment of inspected users or yourself is from.

LiteStep skins for Masque.

Keeps track of your reagents for buffing.

Raid loot tracking and text generation

View bank, inventory, mail, equipped and guild bank contents from any character anywhere!