Mynigma!

Secure email with absolutely no compromises, brought to you by MIT and CERN scientists.

Tutanota is a free and open source web-mail client that focuses on privacy. There's also an Android and an iOS app. All data is stored encrypted and can not be searched, i.e. for commercial usage. It offers dead easy end-to-end encryption.

Apple Mail changes the way you interact with your email every day.

Postbox is an email application that helps you organize your work life and get stuff done.

Enigmail is a security extension to Mozilla Thunderbird and SeaMonkey. It enables you to write and receive email messages signed and/or encrypted with the OpenPGP standard.

Airmail is a lightweight and lightning fast mail client for Mac.

Mailvelope is a browser extension that allows to exchange encrypted emails following the OpenPGP encryption standard.

Polymail is the modern email client, redesigned.

Kolab Now, formerly MyKolab, is a fully featured secure collaboration and communication service that is easy to use on any device.

GPGTools is an open source initiative to bring OpenPGP to Apple OS X in the form of an easy installer package. This allows you to sign, verify, encrypt, and decrypt files and e-mails. Read the introduction to get a detailed idea of how PGP works.

mailbox.org offers a secure e-mail account for home and business use. The domain name, [email protected], is easy to remember and can be understood anywhere in the world. They have been operating e-mail accounts for more than 20 years and are a highly reliable service provider.

Disroot is a project based in Amsterdam, it is maintained by volunteers and depends on the support of its community.

GPGMail is an open source plugin for Apple Mail. It brings the functionality to sign, verify, encrypt and decrypt mails using the OpenPGP standard.

Canary is an exciting new email client for Mac that offers a full set of powerful features with one key difference - your emails are not stored on a 3rd party server.