FlowCrypt Alternatives

FlowCrypt is described as '(formerly CryptUp) is the easiest PGP encryption for Gmail. It behaves just like standard email, except it's encrypted' and is an app in the security & privacy category. There are more than 25 alternatives to FlowCrypt for a variety of platforms, including Web-based, Mac, Android, iPhone and Windows apps. The best FlowCrypt alternative is Proton Mail, which is both free and Open Source. Other great apps like FlowCrypt are Tuta Mail, mailbox, Mailvelope and Enigmail.

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FlowCrypt alternatives page was last updated

Alternatives list

  1. Proton Mail icon
     1046 likes

    Proton Mail provides secure email services with end-to-end encryption, ensuring data protection. Swiss-based and outside US jurisdiction, it offers a free version to champion privacy as a human right. Fully accessible on any device.

    99 Proton Mail alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Tor
    • Flathub
    • Snapcraft
     
  2. Tuta Mail icon
     534 likes

    Offers comprehensive encryption for email, calendar, and contacts with zero personal info required. Built on open source, install via Play Store, F-Droid, or APK, with Tor and VPN support. Both free and paid plans; utilizes quantum-resistant encryption ensuring privacy-focused, anonymous usage.

    105 Tuta Mail alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Flathub
    • F-Droid
    • Android Tablet
    • Thunderbird
     
  3. Enigmail icon
     71 likes

    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 .

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • GnuPG
    • Thunderbird
    • SeaMonkey
     
  4. Onion Mail icon
     5 likes

    The power of simplicity. Onion Mail can manage emails in the normal network and in the Tor. Onion Mail protect your privacy and anonymity.

    32 Onion Mail alternatives

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Online
    • Android
     
  5. Kolab Now icon
     43 likes

    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.

    Cost / License

    • Paid
    • Open Source

    Platforms

    • Online
    • Software as a Service (SaaS)
    • DAVx5
     
  6. GPGMail icon
     11 likes

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

    Cost / License

    • Paid
    • Open Source

    Platforms

    • Mac
    • GPGTools
    • Apple Mail
     
  7. Swisscows.email is another product of Swisscows AG. This product offers you secure email traffic. With Swisscows.email you can send your emails encrypted so that absolutely no one can read them. The service is comparable to a letter that is protected from prying eyes in an...

    58 Swisscows.email alternatives

    Cost / License

    • Paid
    • Open Source

    Platforms

    • Online
    • iPhone
    • iPad
    • Android
    • Android Tablet
     
  8. PaxMail icon
     2 likes

    Drive, docs, and email service for freedom lovers.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
     
  9. Iroco icon
     1 like

    Opensource email which cares about your privacy. Developed and hosted in France.

    Cost / License

    • Paid
    • Open Source

    Application type

    Platforms

    • Online
     
  10. Runbox icon
     6 likes

    Runbox offers email hosting, domain hosting, and web hosting services, as well as custom-made email solutions

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • OpenPGP
     
12 of 26 FlowCrypt alternatives