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SuperPuTTYPuTTY-CAC
Free

Free and open source under the MIT licence.

 Free

Free to download from the project's GitHub releases page.

Windows Windows
  • Tabbed interface for many PuTTY sessions
  • Simple scripting for basic tasks
  • SSH login with smart cards, CAC cards and certificates
  • FIDO key support, including YubiKeys and passkeys
  • Windows only
  • Depends on PuTTY being installed
  • Windows only
  • Interface keeps PuTTY's dated configuration dialogs
Downloadable app Downloadable app
Open source Closed source
License: MIT License not stated
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked October 1, 2026

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