WowAce

Additional information about player spells.

A helper addon for the achievements "Let It Snow", "Fistful of Love", "Shake Your Bunny-Maker", "Check Your Head", and "Turkey Lurkey"

"Debug" code free since '93!

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

Simple right click casting.

A skinning engine for button-based add-ons.

Apathy skin for Masque.

Caith skin for Masque.

Cirque Skins for Masque

Entropy skins for Masque.

Gears skins for Masque.

LiteStep skins for Masque.

Onyx skins for Masque.

Serenity skins for Masque.

Custom widgets for AceGUI-3.0 and AceConfigDialog-3.0.

Drop the cheapest thing you're carrying

Automatically turns on the combat log for selected raid and mythic+ instances.

A friendly companion that remembers the chat.

HereBeDragons is a data API for the World of Warcraft mapping system

Library of data about what items tier tokens can be turned in for