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Best Nmap Online Scan Alternatives in 2026

Updated

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

  1. 1
    Nmap Free plan LinuxMacself-hostedWin $9,980/mo7.6
    Nmap Online Scan vs Nmap
  2. 2
    ScanSearch Free plan apiLinuxWeb $0.30/mo7.6
    Nmap Online Scan vs ScanSearch
  3. 3
    Naabu Free plan apiLinuxMacself-hostedWin Free7.4
    Nmap Online Scan vs Naabu
  4. 4
    Pentest-Tools Port Scanner Free plan apiWeb $95/mo7.3
    Nmap Online Scan vs Pentest-Tools Port Scanner
  5. 5
    RustScan Free plan AndroidLinuxMacself-hostedWin Free7.3
    Nmap Online Scan vs RustScan
  6. 6
    NetsCLI Free plan LinuxMacWin Free7.2
    Nmap Online Scan vs NetsCLI
  7. 7
    Masscan Free plan LinuxMacself-hostedWin Free7.0
    Nmap Online Scan vs Masscan
  8. 8
    Unicornscan Free plan apiLinuxMacself-hostedWeb Free7.0
    Nmap Online Scan vs Unicornscan
  9. 9
    Angry IP Scanner Free plan LinuxMacWin Free6.9
    Nmap Online Scan vs Angry IP Scanner
  10. 10
    HostedScan Security Free trial apiWeb $39/mo6.7
    Nmap Online Scan vs HostedScan Security
  11. 12
    PortScan.com Free plan apiWeb Free6.6
    Nmap Online Scan vs PortScan.com
  12. 13
    Port Scanner Software Win 6.2
    Nmap Online Scan vs Port Scanner Software
  13. 14
    portwave WinMacLinux 6.1
    Nmap Online Scan vs portwave
  14. 15
    Sherlock Forensics Port Scanner WinLinux 6.1
    Nmap Online Scan vs Sherlock Forensics Port Scanner
  15. 16
    HackerTarget TCP Port Scan Web 6.0
    Nmap Online Scan vs HackerTarget TCP Port Scan
  16. 17
    ZMap LinuxMac 5.9
    Nmap Online Scan vs ZMap
  17. 18
    SolarWinds Port Scanner Win 5.8
    Nmap Online Scan vs SolarWinds Port Scanner
  18. 19
    eslint-plugin-jsx-a11y 5.7
    Nmap Online Scan vs eslint-plugin-jsx-a11y
  19. 20
    Farsight Linux 5.7
    Nmap Online Scan vs Farsight
  20. 21
    Port Scanner ActiveX Control Win 5.7
    Nmap Online Scan vs Port Scanner ActiveX Control

Nmap Online Scan alternatives compared

#ToolScoreFree planFromRuns on
1Nmap7.6Free plan$9,980/moLinux, Mac, self-hosted, Windows
2ScanSearch7.6Free plan$0.30/moAPI, Linux, Web
3Naabu7.4Free planFreeAPI, Linux, Mac, self-hosted, Windows
4Pentest-Tools Port Scanner7.3Free plan$95/moAPI, Web
5RustScan7.3Free planFreeAndroid, Linux, Mac, self-hosted, Windows
6NetsCLI7.2Free planFreeLinux, Mac, Windows
7Masscan7.0Free planFreeLinux, Mac, self-hosted, Windows
8Unicornscan7.0Free planFreeAPI, Linux, Mac, self-hosted, Web
9Angry IP Scanner6.9Free planFreeLinux, Mac, Windows
10HostedScan Security6.7No$39/moAPI, Web
12PortScan.com6.6Free planFreeAPI, Web
13Port Scanner Software6.2No—Windows
14portwave6.1No—Windows, Mac, Linux
15Sherlock Forensics Port Scanner6.1No—Windows, Linux
16HackerTarget TCP Port Scan6.0No—Web
17ZMap5.9No—Linux, Mac
18SolarWinds Port Scanner5.8No—Windows
19eslint-plugin-jsx-a11y5.7No——
20Farsight5.7No—Linux
21Port Scanner ActiveX Control5.7No—Windows
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Questions about Nmap Online Scan alternatives

What is the best alternative to Nmap Online Scan?

Nmap, number 1 in port scanner software with a score of 7.6 out of 10. The others here: ScanSearch, Naabu, Pentest-Tools Port Scanner and 16 more.

What is the best free alternative to Nmap Online Scan?

Nmap is the best-ranked alternative with a free plan. 10 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.