WowAce

A modular, lightweight and screen-estate saving grid of party/raid unit frames

Creates and manages secure Action Buttons

Tracks rare drops, including companions and mounts

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

Show item levels in the character frame

Shared handling of alternate identity data between addons.

Modular casting bar.

Arena unit frames

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

Simple Map Mod

"Debug" code free since '93!

Restores access to removed interface options in Legion

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

A library to help with localization of races.

A skinning engine for button-based add-ons.

A library to help with localization of bosses.

Adds a Button to the Worldmap which toggle Handynotes

Adirelle's bag addon.

Library of compressed itemid sets.

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