Claws Mail
Claws Mail is a lightweight and fast email client based on GTK+ for Linux and Windows. It contains a plugin to enable email signing and encryption using GnuPG / gpgme, implementing the OpenPGP standard.
Key Facts
- Developer/Publisher: Team of dedicated developers, translators and contributors
- License: Open Source (GPL)
- Price: Free. Donations welcome
- Web: https://claws-mail.org
- Help: Help is provided on their website