WowAce

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

A powerful, comprehensive utilty for displaying graphics and information based on buffs, debuffs, and other triggers.

Changes the look of the default UI

Displays information about the current zone on the World Map

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

A library to provide information about zones and instances.

Makes the default frames moveable via simple drag and drop

Adds a Button to the Worldmap which toggle Handynotes

Adds a button to the quest completion interface which allows you to auto equips selected quest Item after completion

Marks the locations of Hallow's End candy buckets on the worldmap and minimap.

Marks the locations of Midsummer Fire Festival bonfires on the worldmap and minimap.

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

Adds countdown voices from the heroes in Overwatch to BigWigs.

Adds countdown voices from Heroes of the Storm to BigWigs for all supported locales.

Redirect character errors, system messages and information messages.

Toss those bugs inna sack.

Grabs bugs for the bug sack.

AddOn development framework

Give whispers an instant messenger feel.

Watches your chat, flagging missplled words, and offering correctly spelled suggestions.