ArkInventory
Allows viewing of your (and your alts) Bags, Keyring, Bank, Guild Bank, Inventory and Mail items.
Cataclysm 
Legion 
Mists of Pandaria 
The Burning Crusade Addon Details
Expansion
Categories
Developers
Having issues?
ArkInventory is a WotLK addon for patch 3.3.5a that provides better functionality to your bags and inventory.
Features:
user-configurable window width and height
separate keybindings for each location for easy viewing
assign items to a category of your choice (overrides the default assignment)
assign categories to the bar of your choice
unlimited number of bars (there are practical limits though before your screen becomes full)
sort each bar differently if required
user-configurable bars per row
Download ArkInventory
Wrath of the Lich King
3.3.5More addons for Wrath of the Lich King
Discover other addons that might interest you
Skillet
A replacement tradeskill window.
CoolLine
Shows cooldowns on a single bar.
OuroLoot
Ouro Loot helps you easily tracks loot during a raid.
Eprast_UnitFrames
Upgrade your default Blizzard character frames with better ones with more thickness.
MySales
Tells you who bought your auctions.
PartyCastingBars
Shows casting bars for party members
BigDebuffs Ascension
BigDebuffs for Ascension Bronzebeard/Malfurion.
TurnIn
Automation for Quests and NPC gossip dialogues