S/MIME Alternatives & Competitors

The most widely used email encryption standard. Defined in RFC 4880.

Key OpenPGP features:

Interoperability Security Email Encryption Authentication and Verification

GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP).

Key GnuPG features:

Open Source Strong Encryption Cross-Platform Support Wide Adoption

Open Source

End-to-end encrypted password manager built for teams. Secure every login, share credentials safely, and keep all your business accounts protected with zero-knowledge encryption and Swiss privacy laws you can trust.

Key Proton Pass for Business features:

Privacy-Focused End-to-End Encryption Multi-Platform Support Open Source

Try for free Open Source paid Free Trial $1.99 / Monthly (Pass Essentials)

iPGMail: OpenPGP Email security for iPhone and iPad.

Skizzle is the most secure way to share end-to-end encrypted files through email, backed by blockchain.

Key Skizzle Email features:

End-to-End Encryption User-Friendly Interface Integration with Popular Email Services File Encryption

Open Source freemium $5.0 / Monthly

OpenSSH is a free version of the SSH connectivity tools that technical users rely on.

Key OpenSSH features:

Security Open Source Portability Rich Feature Set

Virtru is your data privacy force field, wrapping and protecting emails and files wherever they're shared. Easy-to-use data security software for business. People also askIs Virtru Hipaa compliant?

Key Virtru features:

Ease of Use End-to-End Encryption Access Controls Time-Based Access