privacyguides.org/_includes/legacy/sections/email-clients.html

<h2 id="desktopclients" class="anchor"><a href="#desktopclients"><i class="fas fa-link anchor-icon"></i></a> Desktop Email Clients</h2>

{% include legacy/cardv2.html
  title="Thunderbird"
  image="/assets/img/legacy_svg/3rd-party/thunderbird.svg"
  description="Thunderbird is a free, open source, cross-platform email, newsgroup, news feed, and chat (XMPP, IRC, Twitter) client developed by the Thunderbird community, and previously by the Mozilla Foundation."
  website="https://www.thunderbird.net/"
  privacy-policy="https://www.mozilla.org/privacy/thunderbird/"
  source="https://hg.mozilla.org/comm-central/"
  windows="https://www.thunderbird.net"
  mac="https://www.thunderbird.net"
  linux="https://www.thunderbird.net/"
  freebsd="https://www.freshports.org/mail/thunderbird/"
  openbsd="http://openports.se/mail/mozilla-thunderbird"
  netbsd="http://pkgsrc.se/mail/thunderbird"
%}

{% include legacy/cardv2.html
  title="Mailpile"
  image="/assets/img/legacy_svg/3rd-party/mailpile.svg"
  description="Mailpile is a free, community funded, open source email client with user-friendly encryption and privacy features."
  website="https://www.mailpile.is/"
  privacy-policy="https://www.mailpile.is/privacy.html"
  tor="http://clgs64523yi2bkhz.onion"
  github="https://github.com/mailpile/Mailpile"
  linux="https://www.mailpile.is/download/linux.html"
%}

{% include legacy/cardv2.html
  title="Mailvelope"
  image="/assets/img/legacy_svg/3rd-party/mailvelope.svg"
  description="Mailvelope is a browser extension that enables the exchange of encrypted emails following the OpenPGP encryption standard."
  website="https://www.mailvelope.com/en"
  privacy-policy="https://www.mailvelope.com/en/privacy-policy"
  github="https://github.com/mailvelope/mailvelope"
  firefox="https://addons.mozilla.org/firefox/addon/mailvelope/"
  chrome="https://chrome.google.com/webstore/detail/mailvelope/kajibbejlbohfaggdiogboambcijhkke?hl"
  edge="https://microsoftedge.microsoft.com/addons/detail/mailvelope/dgcbddhdhjppfdfjpciagmmibadmoapc"
%}

<h3>Worth Mentioning</h3>

<ul>
  <li><a href="https://neomutt.org/">NeoMutt</a> - NeoMutt is an open-source command line mail reader (or MUA) for Linux and BSD. It’s a fork of <a href="https://en.wikipedia.org/wiki/Mutt_(email_client)">Mutt</a> with added features.
</ul>



<h2 id="mobileclients" class="anchor"><a href="#mobileclients"><i class="fas fa-link anchor-icon"></i></a> Mobile Email Clients</h2>

<h3 id="adroidclients" class="anchor"><a href="#adroidclients"><i class="fas fa-link anchor-icon"></i></a> Android Email Clients</h3>

{% include legacy/cardv2.html
  title="FairEmail"
  image="/assets/img/legacy_svg/3rd-party/fairemail.svg"
  description="FairEmail is a minimal, open source email app, using open standards (IMAP, SMTP, OpenPGP) with a low data and battery usage."
  website="https://email.faircode.eu/"
  privacy-policy="https://github.com/M66B/FairEmail/blob/master/PRIVACY.md"
  github="https://github.com/M66B/FairEmail"
  fdroid="https://f-droid.org/en/packages/eu.faircode.email/"
  googleplay="https://play.google.com/store/apps/details?id=eu.faircode.email"
%}

{% include legacy/cardv2.html
  title="K-9 Mail"
  image="/assets/img/legacy_svg/3rd-party/k9mail.svg"
  description="K-9 Mail is an independent mail application that supports both POP3 and IMAP mailboxes, but only supports push mail for IMAP."
  website="https://k9mail.app/"
  privacy-policy="https://k9mail.app/privacy"
  github="https://github.com/k9mail"
  fdroid="https://f-droid.org/packages/com.fsck.k9/"
  googleplay="https://play.google.com/store/apps/details?id=com.fsck.k9"
%}

<h3 id="iosclients" class="anchor"><a href="#iosclients"><i class="fas fa-link anchor-icon"></i></a> iOS Email Clients</h3>

{% include legacy/cardv2.html
  title="Canary Mail"
  image="/assets/img/legacy_svg/3rd-party/canarymail.svg"
  labels="color==warning::link==https://canarymail.io/faq.html::text==Closed source::tooltip==The source programming code for Canary Mail is not available. Canary Mail is a proprietary application."
  description="Canary Mail is a paid email client designed to make end-to-end encryption seamless with security features such as a biometric app lock."
  website="https://canarymail.io/"
  privacy-policy="https://canarymail.io/privacy.html"
  ios="https://apps.apple.com/us/app/canary-mail/id1236045954"
%}


<h3>Worth Mentioning</h3>

<ul>
  <li><a href="https://letterbox-app.org/">Letterbox</a> - Letterbox is a free open-source mail client for iOS made as a part of an ongoing research project at the Freie Universität Berlin, Germany.</li>
</ul>