WowAce

A boss encounter engine used by other add-ons

Automatically sells low quality gray items to the vendor.

RaidGroupNumber

AllYouCanEat shows information about the following statistics: beverages, foods, bandage types, potions, elixirs and flasks.

Persists collapsed state of headers across wow sessions.

Pet Battle Lite Frame

Menagerie

Fail display for Recount based on EnsidiaFails filtering options

ArenaPointer

MAcon

Tracks and announces interrupts (eg. Hit/Miss/Immune) and is also able to track and report "wasted" interrupts (those which d...

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

Broker2FuBar

FuBar_WintergraspFu

Notifies you of new calendar event invites and reminds of upcoming events on all characters and realms

FuBar_FromAViewToAKillFu

Vox

KC_PlayerFramePlus

Opacity effect on action buttons in cooldown.

Communicates with guild members for their positions on the world map