• ProtonMail icon


    Secure email with absolutely no compromises, brought to you by MIT and CERN scientists. Swiss Based ProtonMail is incorporated in...

    Open Source Web / Cloud Android iPhone iPad

  • Tutanota icon


    Tutanota is a free and open source web-mail client that focuses on privacy. There's also an Android and an iOS app. All data is...

    Open Source Web / Cloud Android iPhone iPad

  • Enigmail icon


    Enigmail is a security extension to Mozilla Thunderbird and SeaMonkey. It enables you to...

    Open Source Mac Windows Linux Thunderbird SeaMonkey

  • Mailvelope icon


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

    Open Source Mac Windows Linux Chrome OS Chrome Firefox

  • GPGMail icon


    GPGMail is an open source plugin for Apple Mail. It brings the functionality to sign, verify, encrypt and decrypt mails using the...

    Open Source Mac

  • mailbox.org icon


    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...

    Commercial Web / Cloud Windows Mobile Android iPhone Android Tablet iPad ... Kindle Fire

  • Virtru icon


    Virtru provides digital privacy technology to let you easily share information securely through all major email programs and...

    Freemium Web / Cloud iPhone Yahoo! Mail Outlook Gmail

  • Secure Gmail icon

    Secure Gmail

    An extension to send secure, encrypted messages through Gmail. SecureGmail encrypts and decrypts emails you send in Gmail. This...

    Open Source Mac Windows Linux Chrome Gmail

  • WebPG icon


    WebPG is a free, open source suite of tools to bring GnuPG/PGP (gpg, gnupg) to the browser, in an effort to make cryptographic methods...

    Open Source Mac Windows Linux Chrome Thunderbird SeaMonkey ... Chromium Firefox

  • AnonymousSpeech

    Professional anonymity provider for secure anonymous email. Anonymous Domain and Hosting Offshore, Anonymous Surfing, SSL, Time...

    Freemium Web / Cloud

  • SCRYPTmail icon


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

    Freemium Web / Cloud

  • runbox icon


    Runbox provides secure email communication with Perfect Forward Secrecy SSL connections, Extended Validation, and options for PGP...

    Commercial Web / Cloud

  • Know any more alternatives to Lockbin?

    Suggest an application to this list
  • Sendinc icon


    Secure email made simple Sendinc enables anyone to send and receive military-grade encrypted email in minutes and requires no...

    Commercial Web / Cloud

  • Encipher.it icon


    Encrypting email with Encipher.it is a simple way to protect your sensitive data. You can encrypt emails or text messages and only the...

    Free Web / Cloud

  • Walnut Secure Email icon

    Walnut Secure Email

    Walnut Secure Email is P2P, person to person or end to end secure mail application that protects all of end-user existing accounts...

    Commercial Windows Linux Android iPhone Blackberry Android Tablet ... iPad

  • Paubox icon


    Paubox provides HIPAA compliant email encryption without the hassle of extra steps. Just send emails like normal from any device.

    Commercial Mac Windows Web / Cloud Windows Mobile Android iPhone ... Blackberry Windows RT Android Tablet Windows Phone iPad Self-Hosted Blackberry 10 Apple Watch Android Wear Pebble

  • CounterMail

    CounterMail - the secure email provider CounterMail is a secure and easy to use online email service, designed to provide maximum...

    Commercial Web / Cloud

  • Sfletter icon

    Sfletter Warning

    You can send a protected attachment (PDF, JPEG) and a message to any email service that is available on Windows.

    Free Personal Windows

  • Share this list of alternatives?

  • oneshar.es icon

    oneshar.es Discontinued

    Sending confidential information such as passwords, account information and other sensitive data in emails and IM is not necessarily...

    Free Web / Cloud Windows Mobile Android iPhone HP webOS Firefox OS

  • Shazzlemail icon


    ShazzleMail is the first privacy-protective and surveillance-resistant secure email service.

    Free Personal Mac Windows Linux Android iPhone

  • Jumble.io icon


    Jumble provides a secure email service that integrates with existing email providers so you don’t need to change your email address or...

    Freemium Windows iPhone Chrome Gmail

  • Temp.PM icon


    Temp.PM (formely known as ParaNote) stands for Temporary Private Message. Temp.PM has a strong emphasis on privacy and security. It...

    Open Source Web / Cloud

  • LuxSci icon


    Providing HIPAA-compliant email, secure email & web services since 1999. Secure communications via email, text, chat, video, and...

    Freemium Mac Windows Web / Cloud Self-Hosted

  • secserv.me icon


    Create client-side encrypted message. Chat anonymously client-side encrypted. Also supports sending files (also client-side...

    Free Web / Cloud

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