Have I Been Sold? - Check if your email address was sold without permission
Optery - See the private info data brokers post about you online
have i been pwned? - Check if your account has been compromised in a data breach
PrivacyBot - A simple way to start exercising your privacy rights
Have I Been Zuckered - Is your phone number present within the Facebook data breach
Kameleo - Avoid browser fingerprinting and use virtual profiles.