Compare software

PGPonyGpg4win
Free

Free, with the source published under the Apache-2.0 licence.

 Free

Free software, funded by donations and public contracts.

Windows, macOS, Linux, Android, iOS Windows
  • Hardware key support over NFC with on-card key generation
  • Interoperable with GnuPG and supports OpenPGP v6
  • Kleopatra gives GnuPG a real key manager instead of a command line
  • Integrates with Outlook through GpgOL and with Explorer through GpgEX
  • Young project compared with OpenKeychain or GnuPG
  • Post-quantum keys need recipients with compatible software
  • 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: Apache-2.0 License: GPL-2.0
No account needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.