GPG4Win is a free and easy-to-use encryption software for Windows.
Best Enigmail Alternatives ranked by AI · updated May 2025
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Enigmail is a security extension to Mozilla Thunderbird and SeaMonkey that enables the user to access the authentication and encryption features provided by GnuPG.
Price: Free
🎯 enigmail.net/index.php/en
Top 6 Enigmail alternatives
Mailvelope is a browser extension for OpenPGP encryption used for secure email communication.
ProtonMail is an end-to-end encrypted email service based in Switzerland.
Free tier available, premium plans starting at $5/month
Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service.
Freemium
GPGMail is a plugin for Apple Mail that allows users to encrypt, decrypt, sign and verify emails using GPG (GNU Privacy Guard)....
GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880. GnuPG allows you to encrypt and sign...
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