WowAce

Adds 3 indicators to each side (top, bottom, left and right).

Lets you drag UI frames around

Makes those pesky garrison animations go away.

This addon helps with daily quests.

Configure which layout or profile to load on entering a zone

Good looking, smoothy and helpful nameplates

Provides the the health and target of by an unit targeted mob (meant to be used for tanks).

NextStep

Library for tracking mouse gestures

A variant of AceGUI's Frame container with an editable input field

Tracks and announces interrupts (eg. Hit/Miss/Immune) and is also able to track and report "wasted" interrupts (those which d...

Simple and rich Death Knight rune customizations

A simple addon that warns you if your pet isn't attacking while you're in combat.

Automatically sells low quality gray items to the vendor.

FuBar_MonkeyQuestFu

Aiue's Luck Point Handling Addon

ElfReloaded

BankItemsFu

SmartyCat

PvP plugin for any DataBroker display.