WowAce

Scan for rare mobs so you can find them and their loot

Tracks Raid/Instance/World Boss lockouts for all your characters, daily/weekly quests, currencies, trade cooldowns, and more!

Where are the hidden treasures in Legion?

Tracks rare drops, including companions and mounts

Where are the hidden treasures in Battle for Azeroth? Show in HandyNotes

Uses various methods to scan your surroundings for rare or specified NPCs.

Show the appearance of an item when you mouse over it

Find five Ephemeral Crystals, get a pink hippogryph

Teleporters in Suramar? Sure, why not?

Displays the locations of Hallow's End candy buckets.

Show all the leyline taps in Suramar

Displays the locations of the chests for the Treasure, Treasure Everywhere achievement

Show all the orbs for triggering Kosumoth

Show where the chests are for Withered Army Training

Achievements

Provides one or many informational windows with optional interactive widgets.

Adds mob patrol paths to your map.

Displays the locations of Summer Festival bonfires.

Displays the locations of Lunar Festival elders.

Books in Azsuna? Sure, why not?