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Nuclei vs OWASP ZAP
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Price
Free
Free
Vulnerability Scanning
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Vulnerability Scanning
Overview
Focus
Vulnerability Scanning
Dynamic Application Security Testing
Product
Open-source vulnerability scanner using YAML-based templates to find security issues across modern tech stacks.
Free, open-source web application security scanner maintained by OWASP for finding vulnerabilities in web applications during development and testing.
Headquarters
San Francisco, California
Open Source
Company size
11-50 employees
2-10 employees
Founded
2020
2010
Pricing details
Published rate
Free
Free
Free options
Free plan
Free plan
Source updated
Nov 2, 2026
Oct 29, 2026