ProtonMail is an end-to-end encrypted email service based in Switzerland.
Free tier available, premium plans starting at $5/month
Best PGP Desktop Alternatives ranked by AI · updated May 2025
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PGP Desktop is a comprehensive encryption tool for securing emails and files.
Price: Paid
Top 6 PGP Desktop alternatives
Enigmail is a security extension to Mozilla Thunderbird and SeaMonkey that enables the user to access the authentication and encryption features provided...
Mailvelope is a browser extension for OpenPGP encryption used for secure email communication.
GPGMail is a plugin for Apple Mail that allows users to encrypt, decrypt, sign and verify emails using GPG (GNU Privacy Guard)....
GPG Suite is a software package that enables easy encryption and decryption of files and emails using GPG (GNU Privacy Guard) on...
Autocrypt is an open standard for end-to-end encryption in e-mail communication. It aims to make secure e-mail communication as easy as possible.
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