Best Masscan Alternatives in 2026
Updated
20 tools from port scanner software ranked against Masscan on the same published basis.
- 1Masscan vs Nmap
- 2Masscan vs ScanSearch
- 3Masscan vs Naabu
- 4Masscan vs Pentest-Tools Port Scanner
- 5Masscan vs RustScan
- 6Masscan vs NetsCLI
- 8Masscan vs Unicornscan
- 9Masscan vs Angry IP Scanner
- 10Masscan vs HostedScan Security
- 11Masscan vs Nmap Online Scan
- 12Masscan vs Port Scanner Software
- 13Masscan vs portwave
- 14Masscan vs Sherlock Forensics Port Scanner
- 15Masscan vs HackerTarget TCP Port Scan
- 16Masscan vs ZMap
- 17Masscan vs PortScan.com
- 18Masscan vs SolarWinds Port Scanner
- 19Masscan vs eslint-plugin-jsx-a11y
- 20Masscan vs Farsight
- 21Masscan vs Port Scanner ActiveX Control
Masscan alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Nmap | 7.6 | Free plan | $9,980/mo | Linux, Mac, self-hosted, Windows |
| 2 | ScanSearch | 7.6 | Free plan | $0.30/mo | API, Linux, Web |
| 3 | Naabu | 7.4 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 4 | Pentest-Tools Port Scanner | 7.3 | Free plan | $95/mo | API, Web |
| 5 | RustScan | 7.3 | Free plan | Free | Android, Linux, Mac, self-hosted, Windows |
| 6 | NetsCLI | 7.2 | Free plan | Free | Linux, Mac, Windows |
| 8 | Unicornscan | 7.0 | Free plan | Free | API, Linux, Mac, self-hosted, Web |
| 9 | Angry IP Scanner | 6.9 | Free plan | Free | Linux, Mac, Windows |
| 10 | HostedScan Security | 6.7 | No | $39/mo | API, Web |
| 11 | Nmap Online Scan | 6.7 | No | — | Web |
| 12 | Port Scanner Software | 6.2 | No | — | Windows |
| 13 | portwave | 6.1 | No | — | Windows, Mac, Linux |
| 14 | Sherlock Forensics Port Scanner | 6.1 | No | — | Windows, Linux |
| 15 | HackerTarget TCP Port Scan | 6.0 | No | — | Web |
| 16 | ZMap | 5.9 | No | — | Linux, Mac |
| 17 | PortScan.com | 5.8 | No | — | Web |
| 18 | SolarWinds Port Scanner | 5.8 | No | — | Windows |
| 19 | eslint-plugin-jsx-a11y | 5.7 | No | — | — |
| 20 | Farsight | 5.7 | No | — | Linux |
| 21 | Port Scanner ActiveX Control | 5.7 | No | — | Windows |
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Questions about Masscan alternatives
What is the best alternative to Masscan?
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 Masscan?
Nmap is the best-ranked alternative with a free plan. 8 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.