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Best Pentest-Tools Port Scanner Alternatives in 2026

Freemium#5 of 26 in Port Scanner Software

The top Pentest-Tools Port Scanner alternatives are Nmap, Naabu and ScanSearch: 15 port scanner software our editors would look at instead of Pentest-Tools Port Scanner, in our ranking order.

8.7/10Editor score
Pentest-Tools Port Scanner8.7 Visit Pentest-Tools

Pentest-Tools Port Scanner: A deep, workflow-ready port scanner for professional security teams. Where it falls short: paid plans start at $95 per month.

Switching from Pentest-Tools Port Scanner? For most port scanner software buyers the best Pentest-Tools Port Scanner alternative is Nmap, built for broad, mature free scanning across major platforms. On a budget, Nmap Online Scan starts at $4.99/mo, against $95/mo for Pentest-Tools Port Scanner.

Why People Look for a Pentest-Tools Port Scanner Alternative

  • Paid plans start at $95 per month
  • Advanced capabilities require higher-tier plans
  • Internet-facing and authorized infrastructure focus may not fit every team
  • Paid from $95/mo — Nmap Online Scan is $4.99/mo

Quick Picks by What You Need

All 15 Pentest-Tools Port Scanner Alternatives, Ranked

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

  1. Nmap

    Best forBroad, mature free scanning across major platforms

    • Better than Pentest-Tools Port Scanner:
    • Editor score 9.4 vs 8.7

    A mature, broad port scanner with deep command-line capabilities and useful companion tools.

    Free plan Our Nmap verdict → Visit Nmap
    9.4/10★★★★★
    Visit Nmap
  2. Naabu

    Best forInternet-scale CLI scanning with integrations

    • Better than Pentest-Tools Port Scanner:
    • Editor score 9.1 vs 8.7

    A free, CLI-focused scanner for internet-scale port and service discovery.

    • API access
    • Service detection
    Free plan Our Naabu verdict → Visit Naabu
    9.1/10★★★★★
    Visit Naabu
  3. Best forManaged attack-surface and vulnerability scanning

    • Better than Pentest-Tools Port Scanner:
    • Paid from: $39/mo vs $95/mo
    • Editor score 8.9 vs 8.7

    A cloud scanner for internet exposure, vulnerability matching, monitoring, and API-driven workflows.

    • OS detection
    • Scheduled scans
    • API access
    8.9/10★★★★☆
    Visit ScanSearch
  4. Best forTeams needing hosted recurring scans and reporting

    • Better than Pentest-Tools Port Scanner:
    • Paid from: $39/mo vs $95/mo
    • Editor score 8.8 vs 8.7

    Hosted recurring scans, reporting, and security workflows for infrastructure teams.

    • Scheduled scans
    • API access
    • Service detection
    8.8/10★★★★☆
    Visit HostedScan
  5. Best forSimple free GUI network and port scanning

    A free GUI scanner for straightforward network discovery and port checks.

    8.6/10★★★★☆
    Try Angry IP Scanner
  6. Masscan

    Best forHigh-speed internet-scale SYN scanning

    A free, open-source CLI for fast, large-range SYN scanning.

    • Service detection
    8.5/10★★★★☆
    Visit Masscan
  7. RustScan

    Best forFast Nmap-assisted network reconnaissance

    A free, open-source CLI scanner for rapid reconnaissance and Nmap-based analysis.

    • OS detection
    • Service detection
    8.4/10★★★★☆
    Visit RustScan
  8. portwave

    Best forInternet scanning with banners and TLS details

    A focused CLI scanner for internet reconnaissance, banners, TLS details, and resumable results.

    • Service detection
    8.3/10★★★★☆
    Visit portwave
  9. Best forDistributed scanning with stored analysis

    A distributed scanner for teams that want stored, enriched network analysis.

    • OS detection
    • API access
    • Service detection
    8.2/10★★★★☆
    Visit Unicornscan
  10. ZMap

    Best forResearchers performing internet-wide probing

    A powerful CLI for large-scale IPv4 probing, without deeper service detection.

    Free plan Our ZMap verdict → Visit ZMap
    8.1/10★★★★☆
    Visit ZMap
  11. Farsight

    Best forLinux teams scanning at high packet rates

    A specialized open-source scanner for high-rate Internet measurement on Linux.

    • Scheduled scans
    • Service detection
    8.0/10★★★★☆
    Visit Farsight
  12. Best forFree hosted scans with API automation

    A free hosted TCP scanner with deep scans, service detection, and API automation.

    • API access
    • Service detection
    7.9/10★★★★☆
    Visit PortScan.com
  13. Best forLow-cost occasional hosted Nmap scans

    • Better than Pentest-Tools Port Scanner:
    • Paid from: $4.99/mo vs $95/mo

    A low-cost hosted Nmap option for occasional internet-facing scans.

    • OS detection
    • Service detection
    Free plan · 7-day trial Our Nmap Online Scan verdict → Try Nmap Online Scan
    7.8/10★★★★☆
    Try Nmap Online Scan
  14. NetsCLI

    Best forFree network diagnostics with structured output

    A free, open-source scanner for structured network inspection across major desktop platforms.

    • Service detection
    7.7/10★★★★☆
    Visit NetsCLI
  15. Best forAuditable desktop scanning on Windows or Linux

    A focused, auditable scanner for TCP reconnaissance, inventory, and compliance work.

    • Service detection
    7.6/10★★★★☆
    Visit site

Pentest-Tools Port Scanner Alternatives: Common Questions

What is the best alternative to Pentest-Tools Port Scanner?

Nmap: #1 in our Port Scanner Software ranking, with an editor score of 9.4 out of 10. A mature, broad port scanner with deep command-line capabilities and useful companion tools.

Is there a free alternative to Pentest-Tools Port Scanner?

Yes. Nmap, Naabu, ScanSearch, Angry IP Scanner and Masscan have a free plan or a free tier (14 of the 15 alternatives on this page).

What is the cheapest paid alternative to Pentest-Tools Port Scanner?

Of the alternatives here that publish a price, Nmap Online Scan starts lowest, at $4.99/mo.

Why do people look for Pentest-Tools Port Scanner alternatives?

Paid plans start at $95 per month; Advanced capabilities require higher-tier plans; Internet-facing and authorized infrastructure focus may not fit every team.

How do I switch from Pentest-Tools Port Scanner?

Export your data from Pentest-Tools Port Scanner (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Pentest-Tools Port Scanner.

How to Switch from Pentest-Tools Port Scanner

  1. Export your data from Pentest-Tools Port Scanner (most tools have an export in their settings).
  2. Sign up for the alternative; start on its free plan or trial if it has one.
  3. Import your export and set up the integrations your team relies on.
  4. Run both side by side for a short while, then cancel Pentest-Tools Port Scanner.

Pentest-Tools Port Scanner vs Each Alternative

#ToolFree planPaid fromDeploymentScan scopeService detectionScore
5Pentest-Tools Port ScannerYes$95/moCloudInternetYes8.7
1NmapYesFreeDesktop9.4
2NaabuYesFreeCliInternetYes9.1
3ScanSearchYes$39/moCloudInternetYes8.9
4HostedScan SecurityNo$39/moCloudInternetYes8.8
5Angry IP ScannerYesFreeDesktop8.6
6MasscanYesFreeCliInternetYes8.5
7RustScanYesFreeCliNetworkYes8.4
8portwaveYesFreeCliInternetYes8.3
9UnicornscanYesFreeCliNetworkYes8.2
10ZMapYesFreeCliInternetNo8.1
11FarsightYesFreeSelf-hostedInternetYes8.0
12PortScan.comYesFreeCloudHostYes7.9
13Nmap Online ScanYes$4.99/moCloudInternetYes7.8
14NetsCLIYesFreeCliNetworkYes7.7
15Sherlock Forensics Port ScannerYesFreeDesktopNetworkYes7.6

Head-to-Head

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update