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Qualys Community EditionNuclei
Freemium

The Community Edition is free for a limited number of IPs, and the full Qualys platform is…

 Freemium

The Nuclei command-line scanner and its templates are free and open source under the MIT…

Web Windows, macOS, Linux, Command line
  • Vulnerability assessment and asset discovery in one cloud console
  • Includes compliance checks and web application monitoring
  • Checks are readable YAML templates, so you can review and write them yourself
  • Community templates cover trending vulnerabilities within days
  • Free edition is limited to a small number of IPs
  • Cloud-hosted, so scan data is stored with Qualys
  • Only legitimate against systems you are authorised to scan
  • Coverage depends on the template library; an untemplated vulnerability is invisible
Web application, Hosted service Downloadable app
Closed source Open source
License not stated License: MIT
Account needed No account needed
Needs internet Works offline

Checked September 23, 2026

Checked September 21, 2026

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