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Best Nmap Online Scan Alternatives in 2026

Updated

20 apps from port scanner software ranked against Nmap Online Scan on the same published basis.

  1. 1
    Naabu Free plan apiLinuxMacself-hostedWin Free6.6
    Nmap Online Scan vs Naabu
  2. 2
    NetsCLI Free plan LinuxMacWin Free6.6
    Nmap Online Scan vs NetsCLI
  3. 3
    RustScan Free plan AndroidLinuxMacself-hostedWin Free6.6
    Nmap Online Scan vs RustScan
  4. 4
    Angry IP Scanner Free plan LinuxMacWin Free6.5
    Nmap Online Scan vs Angry IP Scanner
  5. 5
    Masscan Free plan LinuxMacself-hostedWin Free6.5
    Nmap Online Scan vs Masscan
  6. 6
    Nmap Free plan LinuxMacself-hostedWin $9,980/mo6.5
    Nmap Online Scan vs Nmap
  7. 7
    ScanSearch Free plan apiLinuxWeb $0.30/mo6.5
    Nmap Online Scan vs ScanSearch
  8. 8
    Unicornscan Free plan apiLinuxMacself-hostedWeb Free6.5
    Nmap Online Scan vs Unicornscan
  9. 9
    Pentest-Tools Port Scanner Free plan apiWeb $95/mo6.4
    Nmap Online Scan vs Pentest-Tools Port Scanner
  10. 10
    PortScan.com Free plan apiWeb Free6.3
    Nmap Online Scan vs PortScan.com
  11. 12
    Port Scanner Software Win 5.3
    Nmap Online Scan vs Port Scanner Software
  12. 13
    portwave WinMacLinux 5.3
    Nmap Online Scan vs portwave
  13. 14
    Sherlock Forensics Port Scanner Free plan LinuxWin Free5.3
    Nmap Online Scan vs Sherlock Forensics Port Scanner
  14. 15
    Farsight Linux 5.2
    Nmap Online Scan vs Farsight
  15. 16
    HackerTarget TCP Port Scan apiextensionWeb $0.83/mo5.2
    Nmap Online Scan vs HackerTarget TCP Port Scan
  16. 17
    ZMap LinuxMac 5.2
    Nmap Online Scan vs ZMap
  17. 18
    Advanced Port Scanner Win 5.1
    Nmap Online Scan vs Advanced Port Scanner
  18. 19
    eslint-plugin-jsx-a11y 5.1
    Nmap Online Scan vs eslint-plugin-jsx-a11y
  19. 20
    Port Authority Android 5.1
    Nmap Online Scan vs Port Authority
  20. 21
    PortScannerLabs Web 5.1
    Nmap Online Scan vs PortScannerLabs

Nmap Online Scan alternatives compared

#AppScoreFree planFromRuns on
1Naabu6.6Free planFreeAPI, Linux, Mac, self-hosted, Windows
2NetsCLI6.6Free planFreeLinux, Mac, Windows
3RustScan6.6Free planFreeAndroid, Linux, Mac, self-hosted, Windows
4Angry IP Scanner6.5Free planFreeLinux, Mac, Windows
5Masscan6.5Free planFreeLinux, Mac, self-hosted, Windows
6Nmap6.5Free plan$9,980/moLinux, Mac, self-hosted, Windows
7ScanSearch6.5Free plan$0.30/moAPI, Linux, Web
8Unicornscan6.5Free planFreeAPI, Linux, Mac, self-hosted, Web
9Pentest-Tools Port Scanner6.4Free plan$95/moAPI, Web
10PortScan.com6.3Free planFreeAPI, Web
12Port Scanner Software5.3No—Windows
13portwave5.3No—Windows, Mac, Linux
14Sherlock Forensics Port Scanner5.3Free planFreeLinux, Windows
15Farsight5.2No—Linux
16HackerTarget TCP Port Scan5.2No$0.83/moAPI, Browser, Web
17ZMap5.2No—Linux, Mac
18Advanced Port Scanner5.1No—Windows
19eslint-plugin-jsx-a11y5.1No——
20Port Authority5.1No—Android
21PortScannerLabs5.1No—Web
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Questions about Nmap Online Scan alternatives

What is the best alternative to Nmap Online Scan?

Naabu, number 1 in port scanner software with a score of 6.6 out of 10. The others here: NetsCLI, RustScan, Angry IP Scanner and 16 more.

What is the best free alternative to Nmap Online Scan?

Naabu is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.