WowAce

AddOn development framework

Adds countdown voices from the heroes in Overwatch to BigWigs.

Adds various information based on PeriodicTable to item tooltips.

Violation

Display Cooldown Count of Spell Icon and Item

Serenity skins for Masque.

Tracks herbs/ore/items that can be broken into component pieces

Tooltip of awesomeness. Moo. It'll graze your pasture.

Automatically turns on the combat log for selected instances

Rebuff yourself with the mousewheel.

StatLogicLib

A display for LibDataBroker-1.1

Display auras on action buttons.

Show the appearance of an item when you mouse over it

Improved Questing Experience

Displays Instance Maps

Adds countdown voices from Heroes of the Storm to BigWigs for all supported locales.

EBB adds groups of bars to your screen showing you which (de)buffs currently affect your toon or some other units.

Antagonist

MorgDKP