Compare software

Gpg4winSequoia PGP
Free

Free software, funded by donations and public contracts.

 Free

Free and open source.

Windows Linux, Command line
  • Kleopatra gives GnuPG a real key manager instead of a command line
  • Integrates with Outlook through GpgOL and with Explorer through GpgEX
  • Written in memory-safe Rust
  • Usable both as a library and through the sq command-line tool
  • Windows only
  • OpenPGP key management is genuinely hard, and the concepts do not hide well behind a GUI
  • Command-line only, with no graphical interface
  • Much of the project is aimed at developers rather than end users
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0 License: LGPL-2.0-or-later
No account needed No account needed
Works offline Works offline

Checked September 20, 2026

Checked September 23, 2026

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