Hiddenstuff Game Guides Database The largest World of Warcraft guides database on the net! Information on almost every aspect of the game is available. WoW Econ A great resource for looking up what an item is/has currently traded for. This is a must have resource! Auctioneer Add-On
Auctioneer is an add on that gives you advanced tool tips for various items that allow you to check out pro perties like how well it did in the Auction House, what it disenchants into, and what professions use it for.Wowhead
One of the best online World of Warcraft databases available for quests, items, and other information. Thottbot
Good for looking up items and quests. Good information and keep an eye on the comments section for tips and help. Allakhazam
Gatherer Add-On
Gatherer is an add-on that will help you track the places that you get things like herbs and ore from so that if you are farming them on a fairly consistent basis, you'll know where to look as well as develop a route to ride. WoWWiki
WoWWiki is a community updated portal for World of Warcraft. It's been going since 2004 and improves every time it's updated.
CT MailMod There is a nice mailbox addon called CT mail out there that lets you open every single mail in your box instantly and take out the items or money they contain. This saves a lot of time if you have just sold hundreds of items.