Facebook Clear History - Delete data that Facebook has collected on you

Twinme - Twinme – Private Messenger is a free, secure, instant, and high-definition messaging app that protects your privacy along with giving you full control over each of your relationships and contents.

Ghostery - Privacy tool for transparency and control

Textra - Textra is a seriously beautiful, feature rich SMS and MMS app.

Opera - Opera is a browser with innovative features, speed and security.

Material Messaging - Material Messaging is a beautiful communication app that lets you send and receive SMS and MMS messages using the intuitive interface while giving you complete control over every aspect of your messaging experience.