Tutanota Tutanota is a free and open source web-mail client that focuses on privacy and security. It has open source iOS and an Android apps. The Android app is published on... Free Personal $ $ $ Open Source Web Android iPhone iPad F-Droid Privacy focused Encrypted Email Night mode/Dark Theme End-to-End Encryption ... Privacy Protected Encryption Custom domain Encrypted calendar Anonymity Calendar Contacts Encrypted Email Anonymity Clean design Encrypted Connection Installable via F-droid Integrated File Sharing Multiple Account support Privacy protection Web-Based Add a feature 316 Like
OpenKeychain OpenKeychain helps you communicate more privately and securely. It uses high-quality modern encryption to ensure that your messages can be read only by the people you... Free Open Source Android Android Tablet K-9 Mail Encryption Add a feature 20 Like
APG Android Privacy Guard (APG) is a free and open source application for Android devices, created by Thialfihar, that lets you encrypt and decrypt single files or emails. Free Open Source Android Android Tablet OpenPGP Encrypted Email Encryption Add a feature 9 Like
