WowAce

Uses TomTom to show target location if target is in party or raid.

SnapshotBar

Helps you keep track of your experience.

Displays reagent count on spell action buttons

Adds usable and equipable filters to Baggins

AMPFu

Allows communication to be shared across realm through Battle.net.

Bag and item management utilities

Diplomat

Aiue's Luck Point Handling Addon

Adds filtering based on your known professions.

Allows movement and scaling of class-specific resource displays

AssignAssist

A library to try to guess a level of a player.

Continuation of Shadowed Unit Frames

A noble spirit embiggens the smallest player arrow.

Resizes Blizzard raid frames, and adds additional options.

LDB port of TimeToDie, showing estimated target life expectancy in an LDB object

HuntersMark

Calculates the relative value of attributes towards physical dps.