OnionMail
OnionMail the TOR encrypted Mail Server
21 Alternatives To OnionMail
APG
Android Privacy Guard (APG) is a free and open source application for …
Enigmail
Security extension to Mozilla Thunderbird and SeaMonkey
FastMail
Email, calendars, and contacts to highest standards of security, privacy and reliability.
GPGMail
GPGMail is an open source plugin for Apple Mail.
MailDrop
maildrop is a Mail delivery agent used by the Courier Mail Server. The maildrop MDA also includes filtering functionality. maildrop receives mail via stdin and delivers in both Maildir and mbox formats.
Mailvelope
Mailvelope open source project. OpenPGP in your browser.
OpenMailBox
Openmailbox
Pony
The antidote for your email overload
Posteo
Web- and IMAP-based email service. 2GB cost 1€/month.
ProtonMail
Secure email with absolutely no compromises. Get your free encrypted email account today.
Riseup
Riseup provides online communication tools for people and groups working on liberatory social change. We are a project to create democratic alternatives and practice self-determination by controlling our own secure means of communications.
SCRYPTmail
End-to end encrypted email service with no stored metadata
Tildamail
Tilda is private and secure email with decentalized storage.
Tutanota
Get your encrypted mailbox for free.
Vivaldi Mail
Free email service with no ads and no strings attached. Also contacts and calendar features.