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KGpgGPG Suite
Free

Free and open source under the GPL.

 Freemium

Downloads are free; the GPG Mail extension needs a paid yearly support plan after a 30-day…

Linux macOS
  • Simple interface over GnuPG
  • Shows signatures, trust and expiry at a glance
  • Encrypt, sign and verify files and messages on a Mac
  • GPG Keychain app for managing OpenPGP keys
  • Linux only
  • Fewer features than Kleopatra, with no S/MIME support
  • macOS only
  • GPG Mail requires a paid subscription
Downloadable app Downloadable app
Open source Closed source
License: GPL-2.0-or-later License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 24, 2026

Checked September 23, 2026

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