• ProtonMail icon

    ProtonMail

    Secure email with absolutely no compromises, brought to you by MIT and CERN scientists. Swiss Based ProtonMail is incorporated in Switzerland and our servers are located in Switzerland. We are outside of US and EU jurisdiction...

    Open Source Web / Cloud Android iPhone iPad

  • Tutanota icon

    Tutanota

    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 stored encrypted and can not be searched, i.e. for commercial usage. It offers dead easy end-to-end...

    Open Source Web / Cloud Android iPhone iPad

  • Enigmail icon

    Enigmail

    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 OpenPGP standard. Sending and receiving encrypted and digitally...

    Open Source Mac Windows Linux Thunderbird SeaMonkey

  • Mailvelope icon

    Mailvelope

    Mailvelope is a browser extension that allows to exchange encrypted emails following the OpenPGP encryption standard. Mailvelope integrates directly into the Webmail user interface, it's elements are unintrusive and easy to...

    Open Source Mac Windows Linux Chrome OS Chrome Firefox

  • GPGMail icon

    GPGMail

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

    Open Source Mac

  • mailbox.org icon

    mailbox.org

    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 understood anywhere in the world. They have been operating e-mail accounts for more than 20 years...

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

  • Secure Gmail icon

    Secure Gmail

    An extension to send secure, encrypted messages through Gmail. SecureGmail encrypts and decrypts emails you send in Gmail. This happens all on your machine, and the unencrypted text never reaches Google servers. This is useful if...

    Open Source Mac Windows Linux Chrome Gmail

  • Virtru icon

    Virtru

    Virtru provides digital privacy technology to let you easily share information securely through all major email programs and applications. Virtru puts you in charge of how your digital information is shared. Combining control...

    Freemium Web / Cloud iPhone Yahoo! Mail Outlook Gmail

  • SCRYPTmail icon

    SCRYPTmail

    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. Public Source Code - all source code is available for public audit...

    Freemium Web / Cloud

  • WebPG icon

    WebPG

    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 usable, safe and accessible to the common man. WebPG encompasses several projects, from the...

    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 Delayed, Bulk Email and many more functions.

    Freemium Web / Cloud

  • CounterMail icon

    CounterMail

    Countermail is a web-based email service. It is hosted in Sweden. Its focus is on privacy. It provides several features, such as PGP support and diskless servers to protect users ability to communicate securely and anonymously.

    Commercial Web / Cloud

  • Know any more alternatives to Lockbin?

    Suggest an application to this list
  • runbox icon

    runbox

    Runbox provides secure email communication with Perfect Forward Secrecy SSL connections, Extended Validation, and options for PGP encryption. We are committed to protecting your data in accordance with Norway's strong privacy...

    Commercial 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, including Gmail, Yahoo Mail, Microsoft Hotmail, live.com, Outlook and hosted addresses, and corporate...

    Commercial Windows Linux Android iPhone Blackberry Android Tablet iPad

  • Sendinc icon

    Sendinc

    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...

    Commercial Web / Cloud

  • Encipher.it icon

    Encipher.it

    Encrypting email with Encipher.it is a simple way to protect your sensitive data. You can encrypt emails or text messages and only the recipient can decrypt it with correct password. Encipher.it integrated with Gmail and many other...

    Free Web / Cloud

  • Paubox icon

    Paubox

    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

  • Sfletter icon

    Sfletter

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

    Free Personal Windows

    • Warning Poor WOT reputation: https://www.mywot.com/en/scorecard/sfletter.com
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  • oneshar.es icon

    oneshar.es

    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.

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

    • Discontinued The official website is no longer accessible and the iPhone app has been removed from the App Store.
  • Shazzlemail icon

    Shazzlemail

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

    Free Personal Mac Windows Linux Android iPhone

  • Jumble.io icon

    Jumble.io

    Jumble provides a secure email service that integrates with existing email providers so you don’t need to change your email address or change how you interact with your emails. Jumble was designed so that it could be used without...

    Freemium Windows iPhone Chrome Gmail

  • Temp.PM icon

    Temp.PM

    Temp.PM (formely known as ParaNote) stands for Temporary Private Message. Temp.PM has a strong emphasis on privacy and security. It uses strong encryption, secure deletion and the message URLs are also protected against bruteforce...

    Open Source Web / Cloud

  • Invmail icon

    Invmail

    Secure, zero-knowledge, end-to-end communications platform, offering facilities such as e-mail, video/voice calling, and a messaging service.

    Free Personal Web / Cloud

  • LuxSci icon

    LuxSci

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

    Freemium Mac Windows Web / Cloud Self-Hosted

  • secserv.me icon

    secserv.me

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

    Free Web / Cloud

  • CryptUP: Encrypt Gmail with PGP icon

    CryptUP: Encrypt Gmail with PGP

    CryptUP is the easiest PGP encryption for Gmail. It behaves just like standard email, except it's encrypted.

    Open Source Mac Windows Linux Web / Cloud Chrome OS Chrome Chromium Chrome Web Store

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