A bunch of things:

Jive Data: https://jivedata.com

Financial and Investing data

Random Data Monster: https://randomdata.monster

Random Data (also available as a Google Sheets Add-on)

WhatIsMyIPAddress.Monster: https://whatismyipaddress.monster

A clean website to get your IP Address. Also available as an API.

Phone Monster: https://phone.monster

Caller ID, but on steroids