WowAce

Reputation Statistics - Gained, Needed, Rep/Hr, Session Time, etc.

Right-click on minimap blips to open a targeting menu (out of combat).

Calculates the relative value of attributes towards physical dps.

Heads-up minimap display

tracks and share quests between your party

Open inventory items with 1 button

Open those pesky lockboxes

A loot distribution addon meant to improve master looting during raids.

Master Loot Menu replacement

Armored man and paper doll durability modifier

BetterOutbox

Modifies the inbox into a scrollable inbox, including open all options

LDB data source for Combat Tracking

LDB data source displaying rested XP for whole account

Adds filtering based on your known professions.

Library supporting plug in filters.

Allows movement and scaling of class-specific resource displays

Shows a circle on the minimap to indicate spell range

Estimated time until current target will die.

Draws some lovely 3D portraits in the standard Blizzard artwork.