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, Windows, Linux and Android apps. The best FlowCrypt alternative is Proton Mail, which is both free and Open Source. Other great apps like FlowCrypt are Tuta Mail, Mailbox.org, Mailvelope and Enigmail.

FlowCrypt iconFlowCrypt
  17
  • Freemium • Open Source
  • ...

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

More about FlowCrypt
More about FlowCrypt
FlowCrypt alternatives page was last updated May 2, 2025
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  1. SCRYPTmail icon

    SCRYPTmail

     11 likes
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    SCRYPTmail is true end-to-end encrypted email service. Email and meta data, i.e sender / recipient are encrypted when you communicate within scryptmail domain.

    43 SCRYPTmail alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Full HTML Support

    SCRYPTmail Features

    1.  End-to-End Encryption
    2.  Encrypted Email
    3.  Web-Based

    SCRYPTmail VS FlowCrypt

     
  2. Tildamail icon

    Tildamail

     4 likes
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    Tildamail is a free, decentralized, and secure email system, developed by Stanford graduates. We are an end-to-end encrypted email system that protects your privacy. Tilda is a standard for DApps backed by self-sovereign data. User data never touches our servers.

    License model

    • Free • Proprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Online

    Properties

    1.  Privacy focused

    Features

    1.  Decentralized

    Tildamail VS FlowCrypt

     

  4. AnonymousSpeech

     4 likes
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    Professional anonymity provider for secure anonymous email. Anonymous Domain and Hosting Offshore, Anonymous Surfing, SSL, Time Delayed, Bulk Email and many more functions.

    License model

    • Freemium • Proprietary

    Platforms

    • Online

    AnonymousSpeech Features

    1.  Online Anonymity
    2.  Encrypted Email

    AnonymousSpeech VS FlowCrypt

     
  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. WebPG icon

    WebPG

     2 likes
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    WebPG is a free, open source suite of tools to bring OpenPGP (GnuPG/PGP, gpg, gnupg) to the browser, in an effort to make cryptographic methods usable, safe and accessible to the common man.

    License model

    • Free • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Thunderbird
    • SeaMonkey
    • Chromium
    • Firefox
    • OpenPGP
    WebPG screenshot 1
    Discontinued

    Not maintained anymore.

    WebPG Features

    1.  PGP Encryption
    2.  GPG Encryption
    3.  Encrypted Email

    WebPG VS FlowCrypt

     
  7. Beeble icon

    Beeble

     2 likes
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    The Beeble Project is email and online cloud storage platform with unprecedented security and privacy without third party access.

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS
    Start

    Beeble Features

    1.  Cloud Sync
    2.  Encrypted Email

    Beeble VS FlowCrypt

     
  8. Pony icon

    Pony

     3 likes
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    Pony is an email service that delivers once a day. It’s your place to correspond without distractions.

    License model

    • Free • Proprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Online

    Pony Features

    1.  Text messaging
    2.  Messenger

    Pony VS FlowCrypt

     
  10. Sendinc icon

    Sendinc

     1 like
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    Secure email made simple

    Sendinc enables anyone to send and receive military-grade encrypted email in minutes and requires no special technical expertise. There is no required software to purchase, download, or install. There are no keys to generate, publish, or maintain. And a.

    License model

    Platforms

    • Online

    Sendinc Features

    1.  Self Destructing Messages
    2.  Secure mail
    3.  Encrypted Email

    Sendinc VS FlowCrypt

     
  11. Secure Exchanges icon

    Secure Exchanges

     1 like
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    Secure Exchanges is a SaaS that enables point-to-point encrypted email exchange without the recipient having to install anything. It allows you to send emails and files up to 2.5 G. It also allows you to receive information.

    License model

    Application type

    Country of Origin

    • CA flagCanada

    Platforms

    • Mac
    • Windows
    • Linux
    • NuGet
    • Microsoft Office Outlook
    • .NET Framework
    • Context Chrome Extension
    • Software as a Service (SaaS)
    • Gmail
    Secure Exchanges screenshot 1

    Secure Exchanges Features

    1.  End-to-End Encryption
    2.  Self Destructing Messages
    3. Microsoft Outlook icon  Outlook integration
    4.  Notifications
    5.  Protected by Password
    6. Gmail icon  Gmail integration
    7.  REST API
    8.  White-labeled
    9.  Encrypted Email

    Secure Exchanges VS FlowCrypt

     
  12. QQ Mail icon

    QQ Mail

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    Full support for general mail protocols to help you manage all your mailboxes on your phone.

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • CN flagChina

    Platforms

    • Android
    • iPhone
    • Apple Watch
    QQ Mail screenshot 1
    QQ Mail screenshot 2
    QQ Mail screenshot 3

    Properties

    1.  Privacy focused

    Features

    1.  Mail Filtering
    2.  Email Scheduling
    3.  Two-factor Authentication
    4.  Full-Text Search
    5.  Calendar View
    6.  No Tracking
    7.  Email Organizer
    8.  Cloud Sync
    9.  Reminders
    10.  Unified inbox
    11.  End-to-End Encryption
    12.  AI-Powered

    QQ Mail VS FlowCrypt

     
  13. Swisscom Bluewin icon

    Swisscom Bluewin

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    Bluewin is an e-mail service and news portal of Swisscom, the largest Swiss Internet provider and telecommunications company.

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Online
    Swisscom Bluewin screenshot 1

    Swisscom Bluewin Features

    1.  Spam Filter
    2.  Calendar View
    3.  Calendar Integration

    Swisscom Bluewin VS FlowCrypt

     
  14. SwisMail icon

    SwisMail

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    Secure Free EMail Service Hosted in Switzerland.

    License model

    • Freemium • Open Source

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    SwisMail screenshot 1

    Properties

    1.  Privacy focused

    SwisMail VS FlowCrypt

     
  15. DNMX icon

    DNMX

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    DNMX or Dark Net Email Exchange is a dark net email provider that allows anyone to create an email account anonymously and receive/send emails to the clear net.

    52 DNMX alternatives

    License model

    • Freemium • Proprietary

    Platforms

    • Online

    DNMX Features

    1.  Tor

    DNMX VS FlowCrypt

     
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