WowAce

Show vignette icons sooner

Displays the locations of Garrison music scrolls.

QuestLog

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

Display Garrison missons for all Characters

Adds achievement reminders to BigWigs

Allows for easy congratulating when someone earns an achievement.

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

Tracks profession specific cooldowns and items across all your characters

tracks and share quests between your party

A simple data broker display for current Artifact Power

Crowd-control monitor

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

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

Sneakily inspect how much gold your mouseover target has made so far.

Watch tooltip updates to announce when you find specific objects

Adds item values to chat messages.

Displays an alert whenever you loot an item for the first time.

Tells you who bought your auctions.

Show a texture on demand