Best ZMap Alternatives in 2026
Updated
20 apps from port scanner software ranked against ZMap on the same published basis.
- 1ZMap vs RustScan
- 2ZMap vs Nmap
- 3ZMap vs Naabu
- 4ZMap vs ScanSearch
- 5ZMap vs Pentest-Tools Port Scanner
- 6ZMap vs Angry IP Scanner
- 7ZMap vs Unicornscan
- 8ZMap vs HostedScan Security
- 9ZMap vs Port Authority
- 10ZMap vs Masscan
- 11ZMap vs portwave
- 12ZMap vs Nmap Online Scan
- 14ZMap vs NetsCLI
- 15ZMap vs Farsight
- 16ZMap vs PortScan.com
- 17ZMap vs Sherlock Forensics Port Scanner
- 18ZMap vs Advanced Port Scanner
- 19ZMap vs HackerTarget TCP Port Scan
- 20ZMap vs PortScannerLabs
- 21ZMap vs Avidemux
ZMap alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | RustScan | 9.0 | Free plan | Free | Android, Linux, Mac, self-hosted, Windows |
| 2 | Nmap | 8.2 | Free plan | $9,980/mo | Linux, Mac, self-hosted, Windows |
| 3 | Naabu | 8.2 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 4 | ScanSearch | 8.1 | Free plan | $0.30/mo | API, Linux, Web |
| 5 | Pentest-Tools Port Scanner | 7.9 | Free plan | $95/mo | API, Web |
| 6 | Angry IP Scanner | 7.6 | Free plan | Free | Linux, Mac, Windows |
| 7 | Unicornscan | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Web |
| 8 | HostedScan Security | 7.1 | No | $39/mo | API, Web |
| 9 | Port Authority | 7.0 | No | — | Android |
| 10 | Masscan | 6.6 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 11 | portwave | 6.4 | No | — | Windows, Mac, Linux |
| 12 | Nmap Online Scan | 6.4 | No | — | Web |
| 14 | NetsCLI | 6.2 | Free plan | Free | Linux, Mac, Windows |
| 15 | Farsight | 6.1 | No | — | Linux |
| 16 | PortScan.com | 6.1 | No | — | Web |
| 17 | Sherlock Forensics Port Scanner | 5.9 | No | — | Windows, Linux |
| 18 | Advanced Port Scanner | 5.6 | No | — | Windows |
| 19 | HackerTarget TCP Port Scan | 5.6 | No | — | Web |
| 20 | PortScannerLabs | 5.5 | No | — | Web |
| 21 | Avidemux | 5.5 | Free plan | Free | Web, Windows, Mac, Linux |
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Questions about ZMap alternatives
What is the best alternative to ZMap?
RustScan, number 1 in port scanner software with a score of 9.0 out of 10. The others here: Nmap, Naabu, ScanSearch and 16 more.
What is the best free alternative to ZMap?
RustScan is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.
Is there an open-source alternative to ZMap?
Yes: Avidemux.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.