WowAce

A friendly companion that remembers the chat.

Inventory Management with virtual bags divided into sections.

Tracks rare drops, including companions and mounts

A modular, lightweight and screen-estate saving grid of party/raid unit frames

Another HUD addon

Give whispers an instant messenger feel.

A powerful, comprehensive utilty for displaying graphics and information based on buffs, debuffs, and other triggers.

Toss those bugs inna sack.

Grabs bugs for the bug sack.

Changes the look of the default UI

Chat addon, filtering messages and UI changes

Timer bars with that extra sweetness.

A bar style display for broker plugins. Formerly ChocolateBar. Alternative to Fubar, Bazooka, TitanPanel, Fortress, ...

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

Simple and Advanced combined - Bartender4 ActionBar AddOn

Creates and manages secure Action Buttons

Show item levels in the character frame

Afflictions display and cleaning for solo, group and raid with advanced filtering and priority system.

Automatically turns on the combat log for selected instances

Displays friend notes in unit tooltips, at logon, and in /who results.