Safe-mail.net

Free high security email system.

APG

Android Privacy Guard (APG) is a free and open source application for …

Criptext - Security that goes beyond encryption.

Security extension to Mozilla Thunderbird and SeaMonkey

GPGMail is an open source plugin for Apple Mail.

Horde Groupware is a free, enterprise ready, browser based collaboration suite.

Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.

Mailvelope open source project. OpenPGP in your browser.

Self-hosted server for the ProtonMail client.

Web- and IMAP-based email service. 2GB cost 1€/month.

Secure email with absolutely no compromises. Get your free encrypted email account today.

RainLoop is a web based email client.

Free, open source and cross platform messaging and emailing app that combines common web…

Web-based IMAP email client

End-to end encrypted email service with no stored metadata

SOGo is groupware server with a focus on scalability and open standards.

SquirrelMail is a standards-based webmail package written in PHP.

Tilda is private and secure email with decentalized storage.

Get your encrypted mailbox for free.

Zoho Mail is a webmail service built with the needs of a modern business in mind.