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Sequoia PGPGpg4win
Free

Free and open source.

 Free

Free software, funded by donations and public contracts.

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

Checked September 23, 2026

Checked September 20, 2026

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