Best Port Authority Alternatives in 2026
Updated
20 apps from port scanner software ranked against Port Authority on the same published basis.
- 1Port Authority vs Naabu
- 2Port Authority vs NetsCLI
- 3Port Authority vs RustScan
- 4Port Authority vs Angry IP Scanner
- 5Port Authority vs Masscan
- 6Port Authority vs Nmap
- 7Port Authority vs ScanSearch
- 8Port Authority vs Unicornscan
- 9Port Authority vs Pentest-Tools Port Scanner
- 10Port Authority vs PortScan.com
- 11Port Authority vs Nmap Online Scan
- 12Port Authority vs Port Scanner Software
- 13Port Authority vs portwave
- 14Port Authority vs Sherlock Forensics Port Scanner
- 15Port Authority vs Farsight
- 16Port Authority vs HackerTarget TCP Port Scan
- 17Port Authority vs ZMap
- 18Port Authority vs Advanced Port Scanner
- 19Port Authority vs eslint-plugin-jsx-a11y
- 21Port Authority vs PortScannerLabs
Port Authority 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 |
| 5 | Masscan | 6.5 | Free plan | Free | Linux, Mac, self-hosted, 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 | Free plan | Free | Linux, Windows |
| 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 | — | — |
| 21 | PortScannerLabs | 5.1 | No | — | Web |
Make your app an alternative to Port Authority
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Port Authority alternatives
What is the best alternative to Port Authority?
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 Port Authority?
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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.