ProtonMail - Secure email with absolutely no compromises. Get your free encrypted email account today.
Amic E-Mail Backup - Amic Email Backup is a handy software tool for Microsoft Windows based PCs designed to create backup copies of your email database and Web browser Favorites.
Enigmail - Security extension to Mozilla Thunderbird and SeaMonkey
KLS Mail Backup - KLS Mail Backup is an easy to use backup program that allows you to back up and restore your...
Mailvelope - Mailvelope open source project. OpenPGP in your browser.
Disroot - Disroot is a platform providing online services based on principles of freedom, privacy, federation and decentralization.