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ZAPNuclei
Free

Free and open source under the Apache licence.

 Freemium

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

Windows, macOS, Linux, Browser extension Windows, macOS, Linux, Command line
  • Intercepting proxy plus automated scanning in one free tool
  • API and automation framework make it usable inside CI pipelines
  • Checks are readable YAML templates, so you can review and write them yourself
  • Community templates cover trending vulnerabilities within days
  • Active scanning can damage a live application and must only be run with permission
  • Java application with a heavy interface
  • Only legitimate against systems you are authorised to scan
  • Coverage depends on the template library; an untemplated vulnerability is invisible
Downloadable app, Browser extension Downloadable app
Open source Open source
License: Apache-2.0 License: MIT
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 22, 2026

Checked September 21, 2026

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