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SIGAINT Alternatives

SIGAINT is described as 'Tor-based email service that allows you to send and receive email without revealing your location or identity. This service is provided to help journalists and activists combat the dragnet surveillance that exists on the Internet today' and is a webmail provider in the security & privacy category. There are more than 10 alternatives to SIGAINT, not only websites but also apps for a variety of platforms, including Android, iPhone, Linux and Mac. The best alternative is Proton Mail, which is both free and Open Source. Other great sites and apps similar to SIGAINT are Tutanota, Vivaldi Webmail, Yandex.Mail and Enigmail.

SIGAINT alternatives are mainly WebMail Providers but may also be Calendar Apps or Email Clients. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of SIGAINT.
This page was last updated
  • FreemiumProprietary
  • Online

SIGAINT is a Tor-based email service that allows you to send and receive email without revealing your location or identity....

Learn more about SIGAINT

  1. Secure email with absolutely no compromises, brought to you by MIT and CERN scientists.

  2. Tutanota is a free and open source web-mail client that focuses on privacy and security. It has open source iOS and an Android apps.

    Tutanota vs SIGAINT opinions
    pros, cons and recent comments

    Crystal clear reason: Tutanota DO NOT allow Tor browser, tried several times to open an account. Zero success.

    Negative comment ago
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    If this Comment contains spam or other abuse, notify admins about it.


  3. Vivaldi Mail is a free email service with no ads and no strings attached developed by Vivaldi Technologies.

  4. Yandex.Mail icon


    • FreeProprietary
    • Online
    • Windows Mobile
    • Android
    • iPhone
    • Java Mobile
    • Symbian S60
    • Android Wear

    Yandex.Mail for mobile is an inbox in your pocket which provides secure protection from spam and viruses.

  5. Enigmail icon


    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • GnuPG
    • Thunderbird
    • SeaMonkey

    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 .

    Thunderbird window with Decrypt button

  6. Kolab Now icon

    Kolab Now

    • Online
    • Software as a Service (SaaS)
    • DAVdroid

    Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.

    Kolab Now email
  7. icon

    • FreeProprietary
    • Online

    Free email, file storage, sms and more.

    No screenshots yet
  8. mail2world icon


    • FreemiumProprietary
    • Online

    the free email that has everyone talking!.

    No screenshots yet
  9. icon

    • FreemiumProprietary
    • Online

    High security web-based e-mail system which extends considerably the email system to much more than currently exists.

    No screenshots yet
  10. Pony icon


    • FreeProprietary
    • Online

    Pony is an email service that delivers once a day. It’s your place to correspond without distractions.

    No screenshots yet
Showing 10 of 12 alternatives