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Enigmail Alternatives

Enigmail is described as 'security extension to Mozilla Thunderbird and SeaMonkey. It enables you to write and receive email messages signed and/or encrypted with the ' and is a popular app in the security & privacy category. There are more than 25 alternatives to Enigmail for a variety of platforms, including Mac, Linux, Windows, Online / Web-based and Android. The best alternative is Tutanota, which is both free and Open Source. Other great apps like Enigmail are GnuPG, Mailbox.org, Vivaldi Webmail and Mailvelope.

Enigmail alternatives are mainly WebMail Providers but may also be Email Clients or Calendar Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Enigmail.
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Enigmail iconEnigmail
  72
  • FreeOpen Source
  • Mac
  • Windows
  • Linux
  • GnuPG
  • Thunderbird
  • SeaMonkey

Enigmail is a security extension to Mozilla Thunderbird and...

Learn more about Enigmail

  1. Tutanota icon

    Tutanota

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • F-Droid
    75 alternatives to Tutanota 

    Tutanota is a free and open source web-mail client that focuses on privacy and security. It has open source iOS and an Android apps. The Android app is published on F-Droid (which means the app does not use Google's push notification system) making it a great option if you...

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    Features
    1.  Privacy focusedTutanota is considered a privacy friendly alternative.
    2.  End-to-End EncryptionTutanota has E2E Encryption, for entire or parts of the app.
    3.  Dark ModeTutanota supports dark mode for comfortable usage in low light conditions.
    4.  Multiple Account supportTutanota support multiple accounts without the need to logout and login
    5.  LightweightTutanota consumes less device resources compared to similar apps.
    6.  Support for AliasesTutanota supports aliases, so you can receive email without exposing your main email address
    7.  PGP EncryptionTutanota supports PGP, an encryption system used for sending encrypted emails and files.
    Screenshot
    Screenshot
  2. GnuPG icon

    GnuPG

    • 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


  3. Mailbox.org icon

    Mailbox.org

    66 alternatives to Mailbox.org 

    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
    Online office shortcut menu
  4. Vivaldi Webmail icon

    Vivaldi Webmail

    • Online
    87 alternatives to Vivaldi Webmail 

    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
    Calendar
  5. Mailvelope icon

    Mailvelope

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Chrome OS
    • Microsoft Edge
    • Google Chrome
    • Firefox
    26 alternatives to Mailvelope 

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

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    Features
    Screenshot


  6. ElectronMail icon

    ElectronMail

    • Mac
    • Windows
    • Linux
    • ProtonMail
    • Electron / Atom Shell
    • Tutanota
    9 alternatives to ElectronMail 

    ElectronMail is an Electron-based unofficial desktop client for ProtonMail and Tutanota end-to-end encrypted email providers. The app aims to provide enhanced desktop user experience enabling features that are not supported by the official in-browser web clients.

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    Features
    1.  Ad-freeElectronMail doesn't contain any form of external advertising.
    2.  Full-Text SearchElectronMail lets you search for specific words or phrases from inside a document or database.
    3.  End-to-End EncryptionElectronMail has E2E Encryption, for entire or parts of the app.
    4.  Multiple Account supportElectronMail support multiple accounts without the need to logout and login
    Screenshot
  7. OpenKeychain icon

    OpenKeychain

    • FreeOpen Source
    • Android
    • Android Tablet
    • K-9 Mail
    4 alternatives to OpenKeychain 

    OpenKeychain helps you communicate more privately and securely. It uses high-quality modern encryption to ensure that your messages can be read only by the people you send them to, others can send you messages that only you can read, and these messages can be digitally signed so...

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    Features
    1.  PGP EncryptionOpenKeychain supports PGP, an encryption system used for sending encrypted emails and files.
    Screenshot
    Screenshot
  8. Kolab Now icon

    Kolab Now

    • Online
    • Software as a Service (SaaS)
    • DAVdroid
    74 alternatives to Kolab Now 

    Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.

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    Features
    1.  Support for AliasesKolab Now supports aliases, so you can receive email without exposing your main email address
    2.  Real time collaborationMultiple users can work together in Kolab Now simultaneously.
    Kolab Now email
    Kolab Now calendar
  9. ProtonMail Bridge icon

    ProtonMail Bridge

    • Mac
    • Windows
    • Linux
    5 alternatives to ProtonMail Bridge 

    ProtonMail Bridge is an application for paid users of Proton Mail that runs on your computer in the background and seamlessly encrypts and decrypts your mail as it enters and leaves your computer.

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    Features
    1.  Dark ModeProtonMail Bridge supports dark mode for comfortable usage in low light conditions.
    2.  Privacy focusedProtonMail Bridge is considered a privacy friendly alternative.
    3.  PGP EncryptionProtonMail Bridge supports PGP, an encryption system used for sending encrypted emails and files.
    4.  End-to-End EncryptionProtonMail Bridge has E2E Encryption, for entire or parts of the app.
    Screenshot
    Screenshot
  10. FlowCrypt icon

    FlowCrypt

    • FreemiumOpen Source
    • Android
    • iPhone
    • Google Chrome
    • Brave
    • Firefox
    • OpenPGP
    21 alternatives to FlowCrypt 

    FlowCrypt (formerly CryptUp) is the easiest PGP encryption for Gmail. It behaves just like standard email, except it's encrypted.

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    Features
    1.  GPG EncryptionFlowCrypt supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
    2.  PGP EncryptionFlowCrypt supports PGP, an encryption system used for sending encrypted emails and files.
    3.  End-to-End EncryptionFlowCrypt has E2E Encryption, for entire or parts of the app.
    Screenshot
    Screenshot
Showing 10 of 26 alternatives
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