Best Nmap Online Scan Alternatives in 2026
Updated
20 platforms from port scanner software ranked against Nmap Online Scan on the same published basis.
- 1Nmap Online Scan vs Naabu
- 2Nmap Online Scan vs ScanSearch
- 3Nmap Online Scan vs Pentest-Tools Port Scanner
- 4Nmap Online Scan vs Unicornscan
- 5Nmap Online Scan vs HostedScan Security
- 6Nmap Online Scan vs NetsCLI
- 7Nmap Online Scan vs Nmap
- 8Nmap Online Scan vs Angry IP Scanner
- 9Nmap Online Scan vs Masscan
- 10Nmap Online Scan vs RustScan
- 12Nmap Online Scan vs Port Scanner Software
- 13Nmap Online Scan vs HackerTarget TCP Port Scan
- 14Nmap Online Scan vs Sherlock Forensics Port Scanner
- 15Nmap Online Scan vs eslint-plugin-jsx-a11y
- 16Nmap Online Scan vs Farsight
- 17Nmap Online Scan vs PortScan.com
- 18Nmap Online Scan vs portwave
- 19Nmap Online Scan vs ZMap
- 20Nmap Online Scan vs Advanced Port Scanner
- 21Nmap Online Scan vs Port Authority
Nmap Online Scan alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Naabu | 7.4 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 2 | ScanSearch | 7.4 | Free plan | $0.30/mo | API, Linux, Web |
| 3 | Pentest-Tools Port Scanner | 7.3 | Free plan | $95/mo | API, Web |
| 4 | Unicornscan | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Web |
| 5 | HostedScan Security | 6.7 | No | $39/mo | API, Web |
| 6 | NetsCLI | 5.9 | Free plan | Free | Linux, Mac, Windows |
| 7 | Nmap | 5.9 | Free plan | $9,980/mo | Linux, Mac, self-hosted, Windows |
| 8 | Angry IP Scanner | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 9 | Masscan | 5.8 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 10 | RustScan | 5.8 | Free plan | Free | Android, Linux, Mac, self-hosted, Windows |
| 12 | Port Scanner Software | 5.4 | No | — | Windows |
| 13 | HackerTarget TCP Port Scan | 5.2 | No | — | Web |
| 14 | Sherlock Forensics Port Scanner | 5.2 | No | — | Windows, Linux |
| 15 | eslint-plugin-jsx-a11y | 5.1 | No | — | — |
| 16 | Farsight | 5.1 | No | — | Linux |
| 17 | PortScan.com | 5.1 | No | — | Web |
| 18 | portwave | 5.1 | No | — | Windows, Mac, Linux |
| 19 | ZMap | 5.1 | No | — | Linux, Mac |
| 20 | Advanced Port Scanner | 5.0 | No | — | Windows |
| 21 | Port Authority | 5.0 | No | — | Android |
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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 7.4 out of 10. The others here: ScanSearch, Pentest-Tools Port Scanner, Unicornscan and 16 more.
What is the best free alternative to Nmap Online Scan?
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.