WowAce

In-game theorycraft. Calculates actual damage/healing based on gear, talents and buffs.

Shared handling of alternate identity data between addons.

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

Adds a Button to the Worldmap which toggle Handynotes

A library to help with localization of the output of UnitCreatureType.

Simple and super light-weight tracking of profession links for all your alts.

Changes the look of the default UI

Provides one or many frames for dumping text into.

Inventory Management with virtual bags divided into sections.

A library to help with localization of in-game subzone names.

Addon to manipulate the map

The original HandyNotes source for where things are in Battle for Azeroth

Simple Map Mod

Arena unit frames

Keeps track of group members and keeps an up-to-date cache of their specialization and talents.

A library to help with localization of bosses.

Displays the locations of Lunar Festival elders.

Estimated range display. Type /rangedisplay for config

Dog-themed unit frames. Woof. Arf. Yip.

Redirect character errors, system messages and information messages.