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Nmap vs NSAuditor AI

Both stand on vulnerability scanning software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Nmap

Free plan LinuxMacSelf-hosted+1

Nmap combines discovery and scanning functions with scripting and companion tools. It is free for end users, while commercial redistribution requires separate OEM licensing.

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NSAuditor AI

Free plan Open source APILinuxMac+2

NSAuditor AI combines read-only, agentless auditing with optional AI analysis and edition-dependent reporting. Community is free; cloud auditors and eight-framework mapping are Enterprise features.

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The facts

NmapNSAuditor AI
Free planYesYes
Open sourceNot publishedYes
Runs onLinux, Mac, Self-hosted, WindowsAPI, Linux, Mac, Self-hosted, Windows
Lowest paid planSee the plansPro annual: $470 a year
Plans published78
MakerNot publishedNot published
Websitenmap.orgnsauditor.com
On vulnerability scanning software#4 of 35#1 of 35

Nmap: what it does well

  • Scans TCP and UDP ports and detects operating systems.
  • Scripting engine runs bundled or user-written scripts.
  • Suite includes Zenmap, Ncat, Ndiff and Nping.
  • Free end-user license.

What to know first

  • Most port scan types require privileged access.
  • It is not a comprehensive vulnerability scanner.
  • Commercial product redistribution requires an OEM license.
  • Free version has no warranty.

NSAuditor AI: what it does well

  • Agentless scans read configuration and metadata only.
  • Runs on customer infrastructure and supports air-gapped use.
  • All tiers support AI analysis with customer-provided API keys.
  • Enterprise maps scans to eight compliance frameworks.
  • Reports support multiple export formats, depending on edition.

What to know first

  • Pro is listed at $470 per year or $49 per month.
  • Enterprise plans start at $2,000 per year.
  • Community support is self-serve documentation and GitHub discussions.

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