WowAce

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

Show item levels in the character frame

The original source for where things are in Pandaria

Drop the cheapest thing you're carrying

Remember locations that city guards direct you to for HandyNotes

Open all your mail

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.

Should I send that recipe to my alt?

Library of data about what items tier tokens can be turned in for

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

From bags we came, to bank we return

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

Show what quests have changed

Point to quest POIs on your minimap

Show vignette icons sooner

Make noise when the servr is going to restart

Add item levels to Inventorian

A menu with useful searches for Inventorian

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

Speed plugin for any DataBroker display.