WowAce

Adds countdown voices from the heroes in Overwatch to BigWigs.

Creates and manages secure Action Buttons

Simple and Advanced combined - Bartender4 ActionBar AddOn

Scan for rare mobs so you can find them and their loot

The original source for where things are in Pandaria

Ironi's Encounter Event Tracker

AddOn development framework

Arena unit frames

Automatically turns on the combat log for selected raid and mythic+ instances.

Automatically leaves the global channels when inside an instance/raid and restores them when exited.

Manages social information with a focus on main-alt associations.

A UI for searching the guild roster.

Data Broker Display similar to FuBar

In World of Warcraft healers have to die. This is a cruel truth that you're taught very early in the game. This add-on helps you influence this unfortunate destiny in a way or another depending on the healer's side...

an embeddable library providing an abstraction layer for tracking and querying Blizzard's Nameplate frames with ease and effi...

Barks at you when you target a crowd-controlled unit

Show what quests have changed

Officially the original source for where things are in the Broken Isles, in HandyNotes

Inventory Management with virtual bags divided into sections.

Show the appearance of an item when you mouse over it