Have I Been Sold? - Check if your email address was sold without permission

Towedo - A new way to develop habits and achieve goals

Optery - See the private info data brokers post about you online

ProductHacker - The best of ProductHunt and HackerNews in your inbox

Creep Alert - Check if friends or colleagues track you via email

OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.