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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 Free7.2
    Nmap Online Scan vs Naabu
  2. 2
    NetsCLI Free plan LinuxMacWin Free7.1
    Nmap Online Scan vs NetsCLI
  3. 3
    Nmap Free plan LinuxMacself-hostedWin $9,980/mo7.1
    Nmap Online Scan vs Nmap
  4. 4
    RustScan Free plan AndroidLinuxMacself-hostedWin Free7.1
    Nmap Online Scan vs RustScan
  5. 5
    ScanSearch Free plan apiLinuxWeb $0.30/mo7.1
    Nmap Online Scan vs ScanSearch
  6. 6
    Masscan Free plan LinuxMacself-hostedWin Free7.0
    Nmap Online Scan vs Masscan
  7. 7
    Unicornscan Free plan apiLinuxMacself-hostedWeb Free7.0
    Nmap Online Scan vs Unicornscan
  8. 8
    Angry IP Scanner Free plan LinuxMacWin Free6.9
    Nmap Online Scan vs Angry IP Scanner
  9. 9
    Pentest-Tools Port Scanner Free plan apiWeb $95/mo6.9
    Nmap Online Scan vs Pentest-Tools Port Scanner
  10. 10
    Sherlock Forensics Port Scanner Free plan LinuxWin Free6.9
    Nmap Online Scan vs Sherlock Forensics Port Scanner
  11. 11
    PortScan.com Free plan apiWeb Free6.7
    Nmap Online Scan vs PortScan.com
  12. 12
    portwave LinuxMacWin 6.4
    Nmap Online Scan vs portwave
  13. 13
    HackerTarget TCP Port Scan apiextensionWeb $0.83/mo6.3
    Nmap Online Scan vs HackerTarget TCP Port Scan
  14. 15
    HostedScan Security Free trial apiWeb $39/mo6.0
    Nmap Online Scan vs HostedScan Security
  15. 16
    Port Scanner Software Win 6.0
    Nmap Online Scan vs Port Scanner Software
  16. 17
    SolarWinds Port Scanner Free trial self-hostedWin 5.9
    Nmap Online Scan vs SolarWinds Port Scanner
  17. 18
    ZMap LinuxMac 5.8
    Nmap Online Scan vs ZMap
  18. 19
    Advanced Port Scanner Win 5.6
    Nmap Online Scan vs Advanced Port Scanner
  19. 20
    eslint-plugin-jsx-a11y 5.6
    Nmap Online Scan vs eslint-plugin-jsx-a11y
  20. 21
    Farsight Linux 5.6
    Nmap Online Scan vs Farsight

Nmap Online Scan alternatives compared

#AppScoreFree planFromRuns on
1Naabu7.2Free planFreeAPI, Linux, Mac, self-hosted, Windows
2NetsCLI7.1Free planFreeLinux, Mac, Windows
3Nmap7.1Free plan$9,980/moLinux, Mac, self-hosted, Windows
4RustScan7.1Free planFreeAndroid, Linux, Mac, self-hosted, Windows
5ScanSearch7.1Free plan$0.30/moAPI, Linux, Web
6Masscan7.0Free planFreeLinux, Mac, self-hosted, Windows
7Unicornscan7.0Free planFreeAPI, Linux, Mac, self-hosted, Web
8Angry IP Scanner6.9Free planFreeLinux, Mac, Windows
9Pentest-Tools Port Scanner6.9Free plan$95/moAPI, Web
10Sherlock Forensics Port Scanner6.9Free planFreeLinux, Windows
11PortScan.com6.7Free planFreeAPI, Web
12portwave6.4No—Linux, Mac, Windows
13HackerTarget TCP Port Scan6.3No$0.83/moAPI, Browser, Web
15HostedScan Security6.0No$39/moAPI, Web
16Port Scanner Software6.0No—Windows
17SolarWinds Port Scanner5.9No—self-hosted, Windows
18ZMap5.8No—Linux, Mac
19Advanced Port Scanner5.6No—Windows
20eslint-plugin-jsx-a11y5.6No——
21Farsight5.6No—Linux
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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 7.2 out of 10. The others here: NetsCLI, Nmap, RustScan 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 on what each maker publishes: documentation depth, a free tier and the platforms it runs on.