WowAce

Displays the locations of Garrison music scrolls.

QuestLog

Provides database of quest giving npcs/mobs/objects for display on the World Map/Minimap

Adds achievement reminders to BigWigs

Display Garrison missons for all Characters

Show vignette icons sooner

tracks and share quests between your party

Quickly assign the highest follower to each building or unassign all of them.

Tracks profession specific cooldowns and items across all your characters

Allows for easy congratulating when someone earns an achievement.

Watch tooltip updates to announce when you find specific objects

A simple data broker display for current Artifact Power

CharScanner scans Basic Character Data, Talent Specifications, Equipment, PvE/PvP Achievements, PvE Boss Kill Statistics and ...

Adds item values to chat messages.

Show a texture on demand

Crowd-control monitor

Provides buttons and keybinds for raid flare world markers that never stop working mid-session

BarovHelper

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

This will keep track of how much you have paid per item in your inventory. Only one of (Auctionator, Auctioneer, AuctionLite,...