Tutanota
Open Source
Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service.
Hushmail
Commercial
Hushmail is an encrypted proprietary web-based email service offering PGP-encrypted e-mail and vanity domain service.
FastMail
Commercial
FastMail is an email service offering paid email accounts for individuals and organizations.
Compare ProtonMail with alternatives
Compare Tutanota and ProtonMail and decide which is most suitable for you.
Compare FastMail and ProtonMail and decide which is most suitable for you.
Compare Hushmail and ProtonMail and decide which is most suitable for you.