WowAce

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

Adds indicators to the sides of Grid frames.

LDB display addon with one Blockoblock per plugin.

Welfare Epics

HazLoot

LD50_abar

Swiss Army knife for instances, including player tracking, ignore buttons, loot tracking, notes, and more.

Adds 3 indicators to each side (top, bottom, left and right).

Accelerates Camera Zooming

Shows optimal target to use various area healing spells

WQA helps you find world quest groups easily. Works after the 4/28 group finder changes.

ArenaPointer

Shows the price of a single item in the Auction House.

A Data Broker add-on for quickly switching your specialization with gear set and loot specialization.

Provides a LibDataBroker plugin for quick access to professions under Ackis Recipe List.

Cartographer_NoteTarget

Armored man and paper doll durability modifier

Quest information

Add-on that shows in a unit tooltip window a number of killed mobs of the same kind

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