WoW Links

Blizzard

Thottbot

• Find Quests
• Find NPCs
• Find Zones
  

Allakhazam

• Standard Emote List
• Console Guide
• Quest lookup
• Quests by Zone

GamePressure

• Maps - with location labels and quest lists - satellite views
• Eastern Kingdoms
• Kalimdor
• Outland
• Quests - sorted by name only, searchable

Buffed.de (deutsch)

• Character-Planer

WoWHead

Utility Sites

• Be Imba! - evaluation and equipment hints
• WoW Armory Light
• MaxDPS - equipment for maximum damage
• Kaliban's Class Loot Lists - loot overview by class
  (wow-loot.com)
• Berg's Tank Gear Guide
• Elitist Jerks Warlocks Compendium
• CanadianPimp's Warlock Gear Guide
• Goblin Workshop - general WoW info
• Lootables.com - crafting guide
• Gruul Dots

Addons

• CTMod (for CTRaid, etc)
• Curse Gaming
• Addons
• Auctioneer
• WoWAce
• WowInterface
• wowmatrix
  best addon updater
• Vranx UI Compilation

WowWiki

• Maps