WowAce

Adds aura indicators to unit frames

Centralised management hub for small tweak, interface and utility addons.

Provides data about all artifacts in the player's possession.

A death track window for Recount

PiraPlex

Toggle Windowed Mode with click or keybind.

Saves Auction House search queries.

Simple oRA3 Maintank Target Frames, based on oUF

Insanity resource tracker for shadow priests.

Clock plugin for any DataBroker display.

Records mail when visiting the mailbox to make keeping track of mail and expiration dates easy.

Light-weight enhanced casting bars

This addon helps with daily quests.

Keeps an eye on someone's distance from you, and alerts you if they get too far.

Reverse Engineering will drill down and search your tradeskills for their elements

LibQTipClick-1.0

One Click Forced Exit / Logout / Reload UI button for Broker

Sneakily inspect how much gold your mouseover target has made so far.

Checklist and notes addon.

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