Apps with 'PGP Encryption' feature

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

Open source Android email client with support for multi-folder sync, keyboard shortcuts, and more.

Tails is a Debian based live CD/USB with the goal of providing complete Internet anonymity for the user.

Keybase is a new and free security app for mobile phones and computers. For the geeks among us: it's open source and powered by public-key cryptography.

eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts and chat.

GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key directories.

Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface.

Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.

mailbox.org offers a secure e-mail account for home and business use. The domain name, me@mailbox.org, is easy to remember and can be understood anywhere in the world.

Mailfence is a free secure and private mail service, that provides an end-to-end encrypted email.

Free email service with no ads and no strings attached. Also contacts and calendar features.

Email Encryption. Encrypt your emails with GnuPG, OpenPGP, S/MIME or your favourite email client. Keep your secret keys secure on your Nitrokey.

Passbolt is an open source password manager for teams. It allows to securely share and store credentials.

Encryptic is an open-source note-taking application heavily focused on encryption.

Protonmail provide encrypted email. Bridge is a Win/Mac/Linux app developed by Protonmail to allow the encrypted email account to be used with local email clients, like Thunderbird or MS Outlook.