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eslint-plugin-jsx-a11y vs Nmap

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

eslint-plugin-jsx-a11y

Free plan

eslint-plugin-jsx-a11y can flag a broad set of accessibility issues while developers work in JSX. Its static analysis has limits, so rendered DOM checks and assistive technology testing are also recommended.

Visit eslint-plugin-jsx-a11y

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.

Visit Nmap

The facts

eslint-plugin-jsx-a11yNmap
Free planYesYes
Open sourceNot publishedNot published
Runs onNot publishedLinux, Mac, Self-hosted, Windows
Lowest paid planFree or on requestSee the plans
Plans published17
MakerNot publishedNot published
Websitegithub.comnmap.org
On port scanner software#10 of 26#6 of 26

eslint-plugin-jsx-a11y: what it does well

  • Free, MIT-licensed package.
  • Recommended and strict rule configurations.
  • Checks ARIA, keyboard access, labels, and captions.
  • Supports custom component mappings.

What to know first

  • Checks static code, not the rendered DOM.
  • ESLint must also be installed.
  • No mobile testing or browser extension.
  • No manual review tools or remediation guidance.

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.

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