WowAce

Toss those bugs inna sack.

Scan for rare mobs so you can find them and their loot

LibDataBroker-1.1

Tracks Raid/Instance/World Boss lockouts for all your characters, daily/weekly quests, currencies, trade cooldowns, and more!

Data Broker Display similar to FuBar

A display for LibDataBroker-1.1

Complete tradeskill information.

Track time played, rested XP and money for all characters

EBB adds groups of bars to your screen showing you which (de)buffs currently affect your toon or some other units.

Am I locked out? - Displays all RaidIDs for all chars

Displays Instance Maps

Provides access to all Portal and Teleport spells on right click of one button.

tracks and share quests between your party

Co-ordinated targetless Party and Raid wipe recovery. Evolved

Drop the cheapest thing you're carrying

QuestLog

A fancy LDB reputation display, show faction reputation and reputation change history

A Simple World of Warcraft Spam Filter!

Tracks SendAddonMessage Spam

Set and manage character notes that are displayed in unit tooltips and /who results.