WowAce

"Debug" code free since '93!

Does stuff for sachmo

Shows the possible loot from the bosses

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

Show item levels in the character frame

Where are the hidden treasures in Battle for Azeroth? Show in HandyNotes

Wowhead Data dump for GatherMate2

Simple Map Mod

Replacement for the default UI's StaticPopup dialogs.

Replacement for ActionButton_Show/HideOverlayGlow APIs

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

Angry Assignments

Makes the default frames moveable via simple drag and drop

Creates and manages secure Action Buttons

An intuitive keybindings library.

Restores access to removed interface options in Legion

Routes on your worldmap and minimap!

Another HUD addon

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

Tracks rare drops, including companions and mounts