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Best Port Scanner Software Alternatives in 2026

Updated

20 platforms from port scanner software ranked against Port Scanner Software on the same published basis.

  1. 1
    Naabu Free plan apiLinuxMacself-hostedWin Free7.4
    Port Scanner Software vs Naabu
  2. 2
    ScanSearch Free plan apiLinuxWeb $0.30/mo7.4
    Port Scanner Software vs ScanSearch
  3. 3
    Pentest-Tools Port Scanner Free plan apiWeb $95/mo7.3
    Port Scanner Software vs Pentest-Tools Port Scanner
  4. 4
    Unicornscan Free plan apiLinuxMacself-hostedWeb Free7.2
    Port Scanner Software vs Unicornscan
  5. 5
    HostedScan Security Free trial apiWeb $39/mo6.7
    Port Scanner Software vs HostedScan Security
  6. 6
    NetsCLI Free plan LinuxMacWin Free5.9
    Port Scanner Software vs NetsCLI
  7. 7
    Nmap Free plan LinuxMacself-hostedWin $9,980/mo5.9
    Port Scanner Software vs Nmap
  8. 8
    Angry IP Scanner Free plan LinuxMacWin Free5.8
    Port Scanner Software vs Angry IP Scanner
  9. 9
    Masscan Free plan LinuxMacself-hostedWin Free5.8
    Port Scanner Software vs Masscan
  10. 10
    RustScan Free plan AndroidLinuxMacself-hostedWin Free5.8
    Port Scanner Software vs RustScan
  11. 11
    Nmap Online Scan Free trial Web 5.4
    Port Scanner Software vs Nmap Online Scan
  12. 13
    HackerTarget TCP Port Scan Web 5.2
    Port Scanner Software vs HackerTarget TCP Port Scan
  13. 14
    Sherlock Forensics Port Scanner WinLinux 5.2
    Port Scanner Software vs Sherlock Forensics Port Scanner
  14. 15
    eslint-plugin-jsx-a11y 5.1
    Port Scanner Software vs eslint-plugin-jsx-a11y
  15. 16
    Farsight Linux 5.1
    Port Scanner Software vs Farsight
  16. 17
    PortScan.com Web 5.1
    Port Scanner Software vs PortScan.com
  17. 18
    portwave WinMacLinux 5.1
    Port Scanner Software vs portwave
  18. 19
    ZMap LinuxMac 5.1
    Port Scanner Software vs ZMap
  19. 20
    Advanced Port Scanner Win 5.0
    Port Scanner Software vs Advanced Port Scanner
  20. 21
    Port Authority Android 5.0
    Port Scanner Software vs Port Authority

Port Scanner Software alternatives compared

#PlatformScoreFree planFromRuns on
1Naabu7.4Free planFreeAPI, Linux, Mac, self-hosted, Windows
2ScanSearch7.4Free plan$0.30/moAPI, Linux, Web
3Pentest-Tools Port Scanner7.3Free plan$95/moAPI, Web
4Unicornscan7.2Free planFreeAPI, Linux, Mac, self-hosted, Web
5HostedScan Security6.7No$39/moAPI, Web
6NetsCLI5.9Free planFreeLinux, Mac, Windows
7Nmap5.9Free plan$9,980/moLinux, Mac, self-hosted, Windows
8Angry IP Scanner5.8Free planFreeLinux, Mac, Windows
9Masscan5.8Free planFreeLinux, Mac, self-hosted, Windows
10RustScan5.8Free planFreeAndroid, Linux, Mac, self-hosted, Windows
11Nmap Online Scan5.4No—Web
13HackerTarget TCP Port Scan5.2No—Web
14Sherlock Forensics Port Scanner5.2No—Windows, Linux
15eslint-plugin-jsx-a11y5.1No——
16Farsight5.1No—Linux
17PortScan.com5.1No—Web
18portwave5.1No—Windows, Mac, Linux
19ZMap5.1No—Linux, Mac
20Advanced Port Scanner5.0No—Windows
21Port Authority5.0No—Android
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Questions about Port Scanner Software alternatives

What is the best alternative to Port Scanner Software?

Naabu, number 1 in port scanner software with a score of 7.4 out of 10. The others here: ScanSearch, Pentest-Tools Port Scanner, Unicornscan and 16 more.

What is the best free alternative to Port Scanner Software?

Naabu is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.