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sslscan vs ssllabs-scan: catalog facts
sslscanssllabs-scan
Free

Free and open source under the GPL-3.0 license.

Free

The command-line client is open source under Apache-2.0; SSL Labs API use is free with…

Windows, Linux, Command line Command line
  • Quick report of supported protocols and cipher suites
  • Rewritten scanning backend in version 2
  • Supports scheduled and bulk server assessments
  • Uses the SSL Labs reference API client
  • Command line only, with no graphical interface
  • No packaged releases on the GitHub page
  • Requires access to the SSL Labs API
  • API use is subject to restrictions
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: Apache-2.0
No account needed Account needed
Not stated if it works offline Needs internet

Checked October 2, 2026

Checked October 8, 2026

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