WowAce

Watch tooltip updates to announce when you find specific objects

Lists Pots and Herbs you got on all chars and allows you to specify color coding

SinkLib

JasonQuest

Compact scrolling vendor frame

Status indicator that shows the remaining of value of Powerword shield.

Deformat

A simple range indicator for optimizing Halo damage.

Cartographer_ExtractGas

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

Profiler of the Lords of the Zodiac guild.

Adds indicators to the sides of Grid frames.

Color manipulation library.

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

DelMapa

Displays oRA3 main tanks.

TrickOrTreat

A fully featured library tracking all ongoing absorb effects

Ranged stats Data Broker plugin.

Keeps track of people who have recently sent you messages.