nuclei Alternatives

nuclei is described as 'Nuclei is used to send requests across targets based on a template, leading to zero false positives and providing fast scanning on a large number of hosts. Nuclei offers scanning for a variety of protocols, including TCP, DNS, HTTP, SSL, File, Whois, Websocket, Headless etc' and is a vulnerability scanner in the security & privacy category. There are more than 25 alternatives to nuclei for a variety of platforms, including Windows, Web-based, Linux, Mac and SaaS apps. The best nuclei alternative is Burp Suite, which is free. Other great apps like nuclei are OpenVAS, Nessus, Zed Attack Proxy (ZAP) and Lonkero.

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Alternatives list

  1. VALHALLA icon
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    VALHALLA boosts your detection capabilities with the power of thousands of hand-crafted high-quality YARA and Sigma rules.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    • Self-Hosted
    • Python
     
  2. Scan your APIs for prompt injection and 12 security checks in less than a minute, MCP, CLI and GH Action ready to CI/DI integration.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  3. Offers ongoing attack surface management with 50+ vulnerability detectors spanning web, API, and mobile; scheduled scans; notification of new findings only; finding triage that persists across scans; CI/CD gating; team collaboration; exportable reports; REST API; and 2FA.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Online
     
  4. Proactively detect advanced hacker activity earlier than ever. THOR’s impressive detection rate is well-known in the industry.

    21 THOR APT Scanner alternatives

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Software as a Service (SaaS)
     
  5. Retestme icon
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    A cybersecurity service that provides hybrid penetration testing by combining AI automation with manual human expertise. Their core promise is "Zero False Positives," aiming to offer validated security intelligence rather than just automated scan results.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
     
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