WowAce

Mutes various chat related annoyances while in capital cities and instances.

Adds a Button to the Worldmap which toggle Handynotes

Changes the look of the default UI

Displays information about the current zone on the World Map for WoW Classic Era

Good old LibTourist-3.0 for WoW Classic Era

Library of compressed itemid sets.

A friendly companion that remembers the chat.

The original source for where things are in Pandaria

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

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

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

Displays additional information for Mythic Keystone dungeons

Library providing mappings between trade skill recipes, spells and created items

Automatically turns on the combat log for selected instances

Find five Ephemeral Crystals, get a pink hippogryph

A skinning engine for button-based add-ons.

Apathy skin for Masque.

Caith skin for Masque.

Cirque Skins for Masque

Entropy skins for Masque.