Email Clients
  {% include card.html color="success"
  title="Thunderbird"
  image="/assets/img/tools/Thunderbird.png"
  url="https://mozilla.org/thunderbird"
  website="mozilla.org"
  footer="OS: Windows, macOS, Linux, BSD."
  description="Mozilla Thunderbird is a free, open source, cross-platform email, news, and chat client developed by the Mozilla Foundation. Thunderbird is an email, newsgroup, news feed, and chat (XMPP, IRC, Twitter) client."
  %}    {% include card.html color="primary"
  title="Claws Mail"
  image="/assets/img/tools/Claws-Mail.png"
  url="https://www.claws-mail.org/"
  footer="OS: Windows, macOS, Linux, BSD, Solaris, Unix."
  description="Claws Mail is a free and open source, GTK+-based email and news client. It offers easy configuration and an abundance of features. It is included with Gpg4win, an encryption suite for Windows."
  %}
Privacy Email Tools
  - gpg4usb - A very easy to use and small portable editor to encrypt and decrypt any text-message or -file. For Windows and Linux. GPG tutorial.
- Mailvelope - A browser extension that enables the exchange of encrypted emails following the OpenPGP encryption standard.
- Enigmail - A security extension to Thunderbird and Seamonkey. It enables you to write and receive email messages signed and/or encrypted with the OpenPGP standard.
- TorBirdy - TorBirdy configures Thunderbird to make connections over the Tor anonymity network. This extension is in beta and should be considered experimental.
- Email Privacy Tester - This tool will send an Email to your address and perform privacy-related tests.
Worth Mentioning
  - K-9 Mail - An independent mail application for Android. It supports both POP3 and IMAP mailboxes, but only supports push mail for IMAP.
- GNU Privacy Guard - Email Encryption. GnuPG is a GPL Licensed alternative to the PGP suite of cryptographic software. Tutorial. Use GPGTools for macOS.
- Mailpile (Beta) - A modern, fast web-mail client with user-friendly encryption and privacy features.