WowAce

A blizzard group finder replacement

Bulk mail sending made really easy

Display Cooldown Count of Spell Icon and Item

A library to provide unit-oriented tags to LibDogTag-3.0

mount and companion manager

Provides access to all Portal and Teleport spells on right click of one button.

Queing of /who and SendWho() queries and a much better interface (see docs), with gurantee to be executed & callback.

Improved Questing Experience

Enhances the default AddOns list.

TomTom CrazyArrow pointing to the targeted group member

Provides one or many informational windows with optional interactive widgets.

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

Am I locked out? - Displays all RaidIDs for all chars

Item stat breakdown, analysis and comparison

Lightweight but powerful auction house interface

Show all the leyline taps in Suramar

Archaeology Assistant

Create panels for customizing your UI, sucessor to eePanels

Minimap addon of awesomeness. *chewing sound*. It'll nibble your hay pellets.

XP bar using Ace3.