WowAce

Simple right click casting.

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

A friendly companion that remembers the chat.

HereBeDragons is a data API for the World of Warcraft mapping system

Library of data about what items tier tokens can be turned in for

GDKP gold run ledger

Keeps track of current money and all your characters on one realm.

Save and send chat messages to many channels. Allows quick item and profession linking within your messages.

Adds unreal tournament style sounds to PvP encounters.

Entertaining kill-shot notification.

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

Display Cooldown Count of Spell Icon and Item

Automatically enables or disables combat logging based on location.

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

Angry Assignments

Library to check whether an item is equipable / appropriate for a given class

An intuitive keybindings library.

Adirelle's bag addon.

One large inventory.

XP bar using Ace3.