Best Masscan Alternatives in 2026
Updated
20 apps from port scanner software ranked against Masscan on the same published basis.
- 1Masscan vs Naabu
- 2Masscan vs NetsCLI
- 3Masscan vs RustScan
- 4Masscan vs Angry IP Scanner
- 6Masscan vs Nmap
- 7Masscan vs ScanSearch
- 8Masscan vs Unicornscan
- 9Masscan vs Pentest-Tools Port Scanner
- 10Masscan vs PortScan.com
- 11Masscan vs Nmap Online Scan
- 12Masscan vs Port Scanner Software
- 13Masscan vs portwave
- 14Masscan vs Sherlock Forensics Port Scanner
- 15Masscan vs Farsight
- 16Masscan vs HackerTarget TCP Port Scan
- 17Masscan vs ZMap
- 18Masscan vs Advanced Port Scanner
- 19Masscan vs eslint-plugin-jsx-a11y
- 20Masscan vs Port Authority
- 21Masscan vs PortScannerLabs
Masscan alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Naabu | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 2 | NetsCLI | 6.6 | Free plan | Free | Linux, Mac, Windows |
| 3 | RustScan | 6.6 | Free plan | Free | Android, Linux, Mac, self-hosted, Windows |
| 4 | Angry IP Scanner | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 6 | Nmap | 6.5 | Free plan | $9,980/mo | Linux, Mac, self-hosted, Windows |
| 7 | ScanSearch | 6.5 | Free plan | $0.30/mo | API, Linux, Web |
| 8 | Unicornscan | 6.5 | Free plan | Free | API, Linux, Mac, self-hosted, Web |
| 9 | Pentest-Tools Port Scanner | 6.4 | Free plan | $95/mo | API, Web |
| 10 | PortScan.com | 6.3 | Free plan | Free | API, Web |
| 11 | Nmap Online Scan | 5.4 | No | — | Web |
| 12 | Port Scanner Software | 5.3 | No | — | Windows |
| 13 | portwave | 5.3 | No | — | Windows, Mac, Linux |
| 14 | Sherlock Forensics Port Scanner | 5.3 | No | — | Windows, Linux |
| 15 | Farsight | 5.2 | No | — | Linux |
| 16 | HackerTarget TCP Port Scan | 5.2 | No | $0.83/mo | API, Browser, Web |
| 17 | ZMap | 5.2 | No | — | Linux, Mac |
| 18 | Advanced Port Scanner | 5.1 | No | — | Windows |
| 19 | eslint-plugin-jsx-a11y | 5.1 | No | — | — |
| 20 | Port Authority | 5.1 | No | — | Android |
| 21 | PortScannerLabs | 5.1 | No | — | Web |
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Questions about Masscan alternatives
What is the best alternative to Masscan?
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 Masscan?
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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.