WowAce

Library that handles chat output.

Toss those bugs inna sack.

Database of item upgrade IDs

Simple and Advanced combined - Bartender4 ActionBar AddOn

Library providing multi-column tooltips.

Scan for rare mobs so you can find them and their loot

Displays additional information for Mythic Keystone dungeons

Afflictions display and cleaning for solo, group and raid with advanced filtering and priority system.

Postal: Enhanced Mailbox support

Tracks rare drops, including companions and mounts

Give whispers an instant messenger feel.

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

Chat addon, filtering messages and UI changes

Makes the default frames moveable via simple drag and drop

An intuitive keybindings library.

Replacement for ActionButton_Show/HideOverlayGlow APIs

Restores access to removed interface options in Legion

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

Arena unit frames

Creates and manages secure Action Buttons