SFLetter Alternatives

SFLetter is described as 'Sfletter.com protects your message and attachments by one click. Email protection from interception and unauthorized actions of the recipient' and is an app in the security & privacy category. There are more than 10 alternatives to SFLetter for a variety of platforms, including Web-based, Mac, Windows, Linux and Android apps. The best SFLetter alternative is Tuta Mail, which is both free and Open Source. Other great apps like SFLetter are mailbox, Runbox, EveryCloud and Lockbin.

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Alternatives list

  1. Tuta Mail icon

    Tuta Mail

     515 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.

    100 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
     

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

    • Tuta Mail is the most popular Open Source & free alternative to SFLetter.

    • Tuta Mail is Freemium and Open SourceSFLetter is Free Personal and Proprietary
    • Tuta Mail is Privacy focused and LightweightSFLetter is not according to our users
  2. 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 SFLetter.

    • mailbox is Paid and ProprietarySFLetter is Free Personal and Proprietary
    • mailbox is Privacy focused and Security-focusedSFLetter is not according to our users
  4. 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
     
  5. EveryCloud icon

    EveryCloud

     4 likes
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    EveryCloud’s cloud based spam filtering service blocks 99.99% of spam, viruses and even newsletters if required. Set spam reports to give users control and view 90 days logs of all inbound and outbound email.

    Cost / License

    • Pay once
    • Proprietary

    Platforms

    • Online
    Using our powerful cloud based spam filtering service you can block 99.99% of spam, viruses and even newsletters (optional) in the cloud before they reach your network, whilst taking control of your business mail. Leave your email entirely secure and free up thousands of business hours for your workforce.
     
  6. 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
     

    • Lockbin is the most popular Android Tablet alternative to SFLetter.

    • Lockbin is Freemium and ProprietarySFLetter is Free Personal and Proprietary
  7. 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.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Alerts

    • Discontinued

    Platforms

    • Online
    Full HTML Support
     
  9. 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.

    65 Beeble alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

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

    21 Sendinc alternatives

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
     
  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.

    Cost / License

    • Subscription
    • Proprietary

    Application type

    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 is the most popular SaaS alternative to SFLetter.

    • Secure Exchanges is Paid and ProprietarySFLetter is Free Personal and Proprietary
  12. oneshar.es icon

    oneshar.es

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    Sending confidential information such as passwords, account information and other sensitive data in emails and IM is not necessarily safe. That data is typically stored with remnants of the bits in places you don't need it to be.

    Cost / License

    • Free
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Online
    • Windows Mobile
    • Android
    • iPhone
    • HP webOS
    • Firefox OS
     
10 of 10 SFLetter alternatives