WowAce

A skinning engine for button-based add-ons.

Library providing multi-column tooltips.

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

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

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

The original source for where things are in Pandaria

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

Simple Map Mod

Modular damage meter.

Adds a Button to the Worldmap which toggle Handynotes

"Debug" code free since '93!

An intuitive keybindings library.

Replacement for ActionButton_Show/HideOverlayGlow APIs

Creates and manages secure Action Buttons

Does stuff for sachmo

Another HUD addon

Adirelle's bag addon.

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

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

Shows the possible loot from the bosses