ArkInventory
Allows viewing of your (and your alts) Bags, Keyring, Bank, Guild Bank, Inventory and Mail items.
Legion 
Mists of Pandaria 
The Burning Crusade 
Wrath of the Lich King 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
Cataclysm
4.3.4More addons for Cataclysm
Discover other addons that might interest you
Omen3
A lightweight, flexible, multi-target threat meter.
Rarity
Tracks rare drops, including companions and mounts
TomTom
TomTom is your personal navigation assistant in World of Warcraft.
Ansi Combat Font
Tweaked damage and default Floating Combat Text font.
WeakAuras
A powerful, comprehensive utility for displaying graphics and information based on triggers.
MinimapCollector [FIXED]
Hide minimap icons with one click
Spell Alerter
Alerts you whenever your target casts spells.
OverAchiever
Tools and tweaks to make the lives of players seeking Achievements a little bit easier.