Alternatives to SIGAINT for all platforms with any license

Platforms

Desktop

Mobile

Web / Online

Browsers

Other Platforms

  • 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

    No features added Add a feature
  • Inky icon

    Inky

    End-to-End Encrypted Email that is a Delight to Use, on all devices, with all email accounts.

    Commercial Mac Windows Android iPhone Android Tablet iPad

    No features added Add a feature
  • AnonyMail icon

    AnonyMail

    AnonyMail is an anonymous and privacy-centered email client that can be accessed from both the clearnet and as a Tor hidden service.

    Free Web / Cloud

    No features added Add a feature
  • OnionMail icon

    OnionMail

    OnionMail is an anonymous and encrypted mail server made to run on the TOR network without losing the ability to communicate with the Internet.

    Free Mac Windows Linux Web / Cloud Android iPhone

    No features added Add a feature
  • 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

    No features added Add a feature

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