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NucleiQualys Community Edition
Freemium

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

 Freemium

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

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

Checked September 21, 2026

Checked September 23, 2026

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