WowAce

Handy notes for your maps

Grabs bugs for the bug sack.

Library providing multi-column tooltips.

Toss those bugs inna sack.

Simple and Advanced combined - Bartender4 ActionBar AddOn

Displays additional information for Mythic Keystone dungeons

Postal: Enhanced Mailbox support

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

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

Chat addon, filtering messages and UI changes

Tracks rare drops, including companions and mounts

Give whispers an instant messenger feel.

Replacement for ActionButton_Show/HideOverlayGlow APIs

An intuitive keybindings library.

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

Replacement for the default UI's StaticPopup dialogs.

Makes the default frames moveable via simple drag and drop

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

Creates and manages secure Action Buttons

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