WowAce

Replacement for ActionButton_Show/HideOverlayGlow APIs

Does stuff for sachmo

Creates and manages secure Action Buttons

Show item levels in the character frame

A skinning engine for button-based add-ons.

Collects Herbs, Mines, Gas Clouds, Archaeology, Treasure and Fishing locations and adds them to the worldmap and minimap

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

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

The original source for where things are in Pandaria

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

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

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

Modular damage meter.

Adds a Button to the Worldmap which toggle Handynotes

A library to help with localization of the output of UnitCreatureType.

A library to help with localization of in-game subzone names.

"Debug" code free since '93!

Shared handling of alternate identity data between addons.

Replacement for the default UI's StaticPopup dialogs.

Simple Map Mod