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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Alternatives list

  1. Proton Mail icon

    Proton Mail

     1021 likes
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    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.

    98 Proton Mail alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Tor
    • Flathub
    • Snapcraft
    Proton Mail screenshot 1
     

    • Proton Mail is the most popular Web-based, Windows, Android & Mac alternative to FlowCrypt.

    • Proton Mail is the most popular Open Source & free alternative to FlowCrypt.

    • Proton Mail is Freemium and Open SourceFlowCrypt is also Freemium and Open Source
    • Proton Mail is Privacy focusedFlowCrypt is not according to our users
  2. Tuta Mail icon

    Tuta Mail

     519 likes
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    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.

    103 Tuta Mail alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Flathub
    • F-Droid
    Tuta Mail screenshot 1
     
  4. mailbox icon

    mailbox

     74 likes
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    E-mail inbox, online office, cloud storage, and video conferencing. Business or personal plans. From 1 € /month (1.10 USD).

    82 mailbox alternatives

    Cost / License

    • Subscription
    • Proprietary

    Application types

    Platforms

    • Online
    mailbox screenshot 1
     

    • mailbox is the most popular commercial alternative to FlowCrypt.

    • mailbox is Paid and ProprietaryFlowCrypt is Freemium and Open Source
    • mailbox is Privacy focused and Security-focusedFlowCrypt is not according to our users
  5. Ad
    Screenshot
    Proton Mail icon
    Proton Mail

    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 devi...

    https://proton.me
    Learn More
  6. Mailvelope icon

    Mailvelope

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

    13 Mailvelope alternatives

    Cost / License

    • Free Personal
    • Open Source

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Mozilla Firefox
    Mailvelope screenshot 1
     
  7. Enigmail icon

    Enigmail

     71 likes
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    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
    Thunderbird window with Decrypt button
     
  8. Onion Mail icon

    Onion Mail

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

    31 Onion Mail alternatives

    Cost / License

    • Freemium
    • Open Source

    Application types

    Platforms

    • Online
    • Android
     
  10. Kolab Now icon

    Kolab Now

     42 likes
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    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.

    78 Kolab Now alternatives

    Cost / License

    • Subscription
    • Open Source

    Application types

    Platforms

    • Online
    • Software as a Service (SaaS)
    • DAVx5
    Kolab Now email
     

    • Kolab Now is the most popular SaaS alternative to FlowCrypt.

    • Kolab Now is Paid and Open SourceFlowCrypt is Freemium and Open Source
    • Kolab Now is Privacy focusedFlowCrypt is not according to our users
  11. Swisscows.email icon

    Swisscows.email

     5 likes
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    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...

    60 Swisscows.email alternatives

    Cost / License

    • Subscription
    • Open Source

    Application types

    Platforms

    • Online
    • iPhone
    • iPad
    • Android
    • Android Tablet
    Swisscows.email screenshot 1
     

    • Swisscows.email is the most popular Android Tablet alternative to FlowCrypt.

    • Swisscows.email is Paid and Open SourceFlowCrypt is Freemium and Open Source
    • Swisscows.email is Privacy focusedFlowCrypt is not according to our users
  12. PaxMail icon

    PaxMail

     2 likes
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    Drive, docs, and email service for freedom lovers.

    Cost / License

    • Subscription
    • Proprietary

    Application type

    Platforms

    • Online
    PaxMail screenshot 1
     
  13. Runbox icon

    Runbox

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

    57 Runbox alternatives

    Cost / License

    • Subscription
    • Proprietary

    Application type

    Platforms

    • Online
    • OpenPGP
    Webmail
     
  14. GPGMail icon

    GPGMail

     11 likes
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    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

    • Pay once
    • Open Source

    Platforms

    • Mac
    • GPGTools
    • Apple Mail
     
  15. Lockbin icon

    Lockbin

     6 likes
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    Lockbin is a web application for sending private email messages and files. People use it to send things like credit card numbers or confidential information.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
     
12 of 27 FlowCrypt alternatives