WowAce

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

From bags we came, to bank we return

Drop the cheapest thing you're carrying

Show what quests have changed

Show item levels in the character frame

Show the transmog appearance of an item when you mouse over it, and shows collection-status in bags, shops, and elsewhere. Works on transmog, mounts, pets, and decor.

Point to quest POIs on your minimap

Officially the original source of knowledge of where things are in Draenor during Warlords, in HandyNotes

The original source for where things are in Pandaria

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

Officially the original source for where things are in the Broken Isles, in HandyNotes

Food/water macro generator

Co-ordinated targetless Party and Raid wipe recovery. Evolved

Restores access to removed interface options in Legion

Give whispers an instant messenger feel.

Creates and manages secure Action Buttons

Records mail when visiting the mailbox to make keeping track of mail and expiration dates easy.

Core module for Loot and Looting-related UI improvements

Gives detailed descriptions of particular localities, as zones or instances, and provides optional TomTom integration.

Plugs classical world style fonts into LibSharedMedia-3.0