WowAce

The original HandyNotes source for where things are in Battle for Azeroth

Replacement for the default UI's StaticPopup dialogs.

Parses ToC and adds About panel to Interface options

Officially the original source of knowledge of where things are in Draenor during Warlords, in HandyNotes

Enables multi-line/unlimited-length pasting of text or commands into WoW

Library that handles chat output.

Restores access to removed interface options in Legion

Simple AceGUI3 dropdown item classes for font/statusbar/sound/etc.

An intuitive keybindings library.

Another HUD addon

Replacement for ActionButton_Show/HideOverlayGlow APIs

Creates and manages secure Action Buttons

Arena unit frames

Shows the possible loot from the bosses

Caith skin for Masque.

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...

Does stuff for sachmo

Allows you to view all items from all your characters on the same account, when-ever and where-ever you want.

Tracks Raid/Instance/World Boss lockouts for all your characters, daily/weekly quests, currencies, trade cooldowns, and more!

Modular damage meter.