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win-acmeCertbot
Free

Free and open source under the Apache 2.0 licence.

 Free

Free and open source under the Apache 2.0 licence; certificates from Let's Encrypt are…

Windows, Command line macOS, Linux, Command line
  • Simple guided setup for IIS sites
  • Automatic renewal via a scheduled task
  • Gets free HTTPS certificates from Let's Encrypt
  • Can configure Apache and Nginx automatically
  • Windows only
  • Advanced scenarios need familiarity with ACME validation
  • Requires comfort with the command line
  • Needs shell access to the web server, which some hosts do not give
Downloadable app Downloadable app
Open source Open source
License: Apache-2.0 License: Apache-2.0
No account needed No account needed
Needs internet Needs internet

Checked October 2, 2026

Checked October 1, 2026

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