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Apps with 'PGP Encryption' feature

  1. Proton Mail icon
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Tor
    83 alternatives to Proton Mail 

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

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    Features
    1.  End-to-End EncryptionProton Mail has E2E Encryption, for entire or parts of the app.
    2.  Privacy focusedProton Mail is considered a privacy friendly alternative.
    3.  Ad-freeProton Mail doesn't contain any form of external advertising.
    4.  Two-factor AuthenticationProton Mail supports two-factor authentication (2FA).
    5.  PGP EncryptionProton Mail supports PGP, an encryption system used for sending encrypted emails and files.
    6.  Self Destructing MessagesProton Mail supports the use of private messages that will be auto deleted according to a specified time or action.
    7.  No TrackingProton Mail will not track you or use your personal data.
    8.  Dark ModeProton Mail supports dark mode for comfortable usage in low light conditions.
    9.  OpenPGPProton Mail supports OpenPGP, a standard of PGP encryption that is open-source for public use.
    Screenshot
    Top 3 alternatives
  2. K-9 Mail icon
    • Android
    • Android Tablet
    • F-Droid
    45 alternatives to K-9 Mail 

    K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.

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    Features
    1.  Ad-freeK-9 Mail doesn't contain any form of external advertising.
    2.  Multiple Account supportK-9 Mail support multiple accounts without the need to logout and login
    3.  Privacy focusedK-9 Mail is considered a privacy friendly alternative.
    4.  PGP EncryptionK-9 Mail supports PGP, an encryption system used for sending encrypted emails and files.
    Screenshot
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  3. Keybase icon
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Ruby
    • JavaScript
    • Go (Programming Language)
    • Java
    • Tor
    • iPad
    61 alternatives to Keybase 

    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.

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    Features
    1.  End-to-End EncryptionKeybase has E2E Encryption, for entire or parts of the app.
    2.  PGP EncryptionKeybase supports PGP, an encryption system used for sending encrypted emails and files.
    3.  Git SupportKeybase supports Git, a free and open source distributed version control system.
    4.  Self Destructing MessagesKeybase supports the use of private messages that will be auto deleted according to a specified time or action.
    5.  Encrypted BackupKeybase uses encryption algorithms to keep your files safe as well as prevent unauthorized access.
    6.  GPG EncryptionKeybase supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
    7.  Ad-freeKeybase doesn't contain any form of external advertising.
    Screenshot
    Top 3 alternatives
  4. Tails icon
    • Linux
    • Electrum
    • Tor Browser Bundle
    • GNOME
    • Tor
    • VeraCrypt
    • Thunderbird
    102 alternatives to Tails 

    The Amnesic Incognito Live System (Tails) is a Debian 9 based live CD/USB with the goal of providing complete Internet anonymity for the user. The product ships with several Internet applications, including web browser, IRC client, mail client...

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    Features
    1.  Privacy focusedTails is considered a privacy friendly alternative.
    2.  PGP EncryptionTails supports PGP, an encryption system used for sending encrypted emails and files.
    3.  No registration requiredYou can use most of the features in Tails without registration.
    4.  No TrackingTails will not track you or use your personal data.
    Screenshot
    Top 3 alternatives
  5. FairEmail icon
    • Android
    • Android Tablet
    • F-Droid
    44 alternatives to FairEmail 

    FairEmail is a privacy-focused email client with a setup wizard that helpfully walks you through the steps to use it with any email provider. There are many privacy settings including encryption via OpenPGP and S/MIME and reformatted emails to avoid phishing.

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    Features
    1.  Privacy focusedFairEmail is considered a privacy friendly alternative.
    2.  Multiple Account supportFairEmail support multiple accounts without the need to logout and login
    3.  PGP EncryptionFairEmail supports PGP, an encryption system used for sending encrypted emails and files.
    4.  Block TrackersFairEmail has a feature to block trackers from tracking you.
    5.  Calendar IntegrationFairEmail lets you sync your tasks and events with your calendar application.
    Compose message view.
    Top 3 alternatives


  6. AnonAddy icon
    • Self-Hosted
    • Google Chrome
    • Software as a Service (SaaS)
    • Firefox
    81 alternatives to AnonAddy 

    AnonAddy is an open-source anonymous email forwarding service. The name AnonAddy is short for "anonymous email address".

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    Features
    1.  Privacy focusedAnonAddy is considered a privacy friendly alternative.
    2.  PGP EncryptionAnonAddy supports PGP, an encryption system used for sending encrypted emails and files.
    3.  No TrackingAnonAddy will not track you or use your personal data.
    4.  Two-factor AuthenticationAnonAddy supports two-factor authentication (2FA).
    5.  Ad-freeAnonAddy doesn't contain any form of external advertising.
    6.  Spam FilterAnonAddy can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.
    7.  Support for AliasesAnonAddy supports aliases, so you can receive email without exposing your main email address
    Manage aliases from the dashboard
    Top 3 alternatives
  7. GnuPG icon
    • FreeOpen Source
    • Mac
    • Linux
    • PortableApps.com
    • Xfce
    • OpenPGP
    44 alternatives to GnuPG 

    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. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications.

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    Features
    1.  PGP EncryptionGnuPG supports PGP, an encryption system used for sending encrypted emails and files.
    GnuPG Shell running GnuPG on Windows
    Top 3 alternatives
  8. Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].

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    Features
    1.  DecentralizedConversations is based on a decentralized infrastructure with no single entity controlling it.
    2.  End-to-End EncryptionConversations has E2E Encryption, for entire or parts of the app.
    3.  OpenPGPConversations supports OpenPGP, a standard of PGP encryption that is open-source for public use.
    4.  GPG EncryptionConversations supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
    5.  Self Destructing MessagesConversations supports the use of private messages that will be auto deleted according to a specified time or action.
    6.  PGP EncryptionConversations supports PGP, an encryption system used for sending encrypted emails and files.
    Screenshot
    Top 3 alternatives
  9. Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.

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    Features
    1.  Privacy focusedPosteo is considered a privacy friendly alternative.
    2.  Calendar IntegrationPosteo lets you sync your tasks and events with your calendar application.
    3.  PGP EncryptionPosteo supports PGP, an encryption system used for sending encrypted emails and files.
    4.  Support for AliasesPosteo supports aliases, so you can receive email without exposing your main email address
    Main Website
    Top 3 alternatives
  10. Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking.

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    Features
    1.  PGP EncryptionRoundcube supports PGP, an encryption system used for sending encrypted emails and files.
    Screenshot
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  11. 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. They have been operating e-mail accounts for more than 20 years and are a highly reliable service provider.

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    Features
    1.  Privacy focusedMailbox.org is considered a privacy friendly alternative.
    2.  PGP EncryptionMailbox.org supports PGP, an encryption system used for sending encrypted emails and files.
    3.  Two-factor AuthenticationMailbox.org supports two-factor authentication (2FA).
    4.  Ad-freeMailbox.org doesn't contain any form of external advertising.
    5.  GPG EncryptionMailbox.org supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
    6.  Support for AliasesMailbox.org supports aliases, so you can receive email without exposing your main email address
    7.  Self Destructing MessagesMailbox.org supports the use of private messages that will be auto deleted according to a specified time or action.
    Inbox with tabs
    Top 3 alternatives
  12. Mailfence icon
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    59 alternatives to Mailfence 

    Mailfence is a secure and private email service that fights for online privacy and digital freedom.

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    Features
    1.  Calendar IntegrationMailfence lets you sync your tasks and events with your calendar application.
    2.  Privacy focusedMailfence is considered a privacy friendly alternative.
    3.  Ad-freeMailfence doesn't contain any form of external advertising.
    4.  Mail FilteringMailfence classifies email messages according to specified criteria, allowing you to automatically recognize fraudulent or spam messages.
    5.  PGP EncryptionMailfence supports PGP, an encryption system used for sending encrypted emails and files.
    6.  OpenPGPMailfence supports OpenPGP, a standard of PGP encryption that is open-source for public use.
    7.  AES-256 EncryptionMailfence has AES-256 Encryption, i.e. very strong security.
    8.  End-to-End EncryptionMailfence has E2E Encryption, for entire or parts of the app.
    9.  No TrackingMailfence will not track you or use your personal data.
    Screenshot
    Top 3 alternatives
  13. Vivaldi Mail is a free email service with no ads and no strings attached developed by Vivaldi Technologies. It also offers contacts and calendar features, search capabilities, folders management, WEB/POP/IMAP access, 5GB of storage capacity, 20 MB of maximum attachment size...

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    Features
    1.  Ad-freeVivaldi Webmail doesn't contain any form of external advertising.
    2.  PGP EncryptionVivaldi Webmail supports PGP, an encryption system used for sending encrypted emails and files.
    3.  Mail FilteringVivaldi Webmail classifies email messages according to specified criteria, allowing you to automatically recognize fraudulent or spam messages.
    Mail
    Top 3 alternatives
  14. eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat.

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    Features
    1.  Calendar IntegrationeM Client lets you sync your tasks and events with your calendar application.
    2.  Multiple Account supporteM Client support multiple accounts without the need to logout and login
    3.  PGP EncryptioneM Client supports PGP, an encryption system used for sending encrypted emails and files.
    4.  Dark ModeeM Client supports dark mode for comfortable usage in low light conditions.
    5.  Unified inboxView e-mails (or similar) from all accounts in one unified view with eM Client.
    6.  Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
    7.  Email OrganizereM Client allows you to take control of your inbox by filtering and control tools.
    8.  Sync with Google CalendareM Client can be synchronized with Google Calendar
    9.  Automatic BackupeM Client will automatically back up your data periodically.
    eM Client: Inbox view
    Top 3 alternatives
  15. GPG4Win icon
    • FreeOpen Source
    • Windows
    • Microsoft Office Outlook
    • S/MIME
    • GnuPG
    22 alternatives to GPG4Win 

    Gpg4win enables users to securely transport emails and files with the help of encryption and digital signatures. Encryption protects the contents against an unwanted party reading it. Digital signatures make sure that it was not modified and comes from a specific sender.

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    Features
    1.  PGP EncryptionGPG4Win supports PGP, an encryption system used for sending encrypted emails and files.
    2.  Windows Explorer ExtensionGPG4Win can extend Windows Explorer in various ways, for example add context menu options, etc..
    3.  GPG EncryptionGPG4Win supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
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