Alternatives to Walnut Secure Email for all platforms with any license

Platforms

Show 21 less popular platforms
  • Mailpile icon

    Mailpile

    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and...

    Open Source Mac Windows Linux Web / Cloud Self-Hosted

  • 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...

    Open Source Mac Windows Linux Thunderbird SeaMonkey

    No features added Add a feature
  • 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

    No features added Add a feature
  • 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...

    Open Source Mac Windows Linux Chrome Gmail

  • Mailfence icon

    Mailfence

    Mailfence provides a secure and private Email solution that value and respect your online privacy. State of the art security features protect your email privacy at...

    Freemium Web / Cloud

    No features added Add a feature
  • EveryCloud icon

    EveryCloud

    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...

    Commercial Web / Cloud

    No features added Add a feature
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  • Lockbin icon

    Lockbin

    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.

    Freemium Mac Windows Linux Android Android Tablet

    No features added Add a feature
  • AnonymousSpeech

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

    Freemium Web / Cloud

  • 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...

    Commercial Web / Cloud

    No features added Add a feature

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