Best Email Encryption Software Software & Apps (2025)

Best Email Encryption Software Apps and Services

Handpicked collection of the most popular and highly-rated Email Encryption Software applications

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Open Source

GNU Privacy Guard (GnuPG or GPG) is a free software replacement for Symantecs PGP cryptographic software suite.

Open Source

Mailpile is a webmail client with encryption and privacy features built-in. Mailpile is free and open-source software.

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Latest additions to our Email Encryption Software software collection

Open Source

GNU Privacy Guard (GnuPG or GPG) is a free software replacement for Symantecs PGP cryptographic software suite.

Open Source

Mailpile is a webmail client with encryption and privacy features built-in. Mailpile is free and open-source software.