Best Port Scanner Software in 2026
26 port scanner software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
26ranked
22free plans on this page
$0.30/molowest paid tier
2 Oct 2026last checked
#1 Nmap Top pick · 9.4 Free plan · $9,980/mo
#2 ScanSearch Runner-up · 9.3 Free plan · $0.30/mo
#3 Pentest-Tools Port Scanner Also great · 8.9 Free plan · $95/mo
- Free planFree trial LinuxmacOSself-hostedWindows
- Free plan
- Yes
- Deployment
- desktop
RecognisedDocumentedFree planFree trialPlatforms$9,980/mofirst paid tier About NmapVisit site - Free planFree trial apiLinuxWeb
- Free plan
- Yes
- Paid from
- 30 /mo
- Deployment
- cloud
- Scan scope
- internet
- Service detection
- Yes
- OS detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms$0.30/mofirst paid tier About ScanSearchVisit site - Free planFree trial apiWeb
- Free plan
- Yes
- Paid from
- 95 /mo
- Deployment
- cloud
- Scan scope
- internet
- Service detection
- Yes
- OS detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms$95/mofirst paid tier About Pentest-Tools Port ScannerVisit site - Free plan apiLinuxmacOSself-hostedWindows
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan AndroidLinuxmacOSself-hostedWindows
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- network
- Service detection
- Yes
- OS detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan WindowsmacOSLinux
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan apiLinuxmacOSself-hostedWeb
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- network
- Service detection
- Yes
- OS detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan WindowsmacOSLinux
- Free plan
- Yes
- Deployment
- desktop
RecognisedDocumentedFree planFree trialPlatforms - Free plan WindowsmacOSLinux
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan LinuxmacOS
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- internet
- Service detection
- No
RecognisedDocumentedFree planFree trialPlatformsFree About ZMapVisit site - Free plan Linux
- Free plan
- Yes
- Deployment
- self-hosted
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan Web
- Free plan
- Yes
- Deployment
- cloud
- Scan scope
- host
- Service detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free planFree trial Web
- Free plan
- Yes
- Deployment
- cloud
- Scan scope
- internet
- Service detection
- Yes
- OS detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan WindowsmacOSLinux
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- network
- Service detection
- Yes
- OS detection
- No
RecognisedDocumentedFree planFree trialPlatforms - Free plan WindowsLinux
- Free plan
- Yes
- Deployment
- desktop
- Scan scope
- network
- Service detection
- Yes
- OS detection
- No
RecognisedDocumentedFree planFree trialPlatforms - Web
- Free plan
- No
- Paid from
- 39 /mo
- Deployment
- cloud
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan Windows
- Free plan
- Yes
- Deployment
- desktop
RecognisedDocumentedFree planFree trialPlatforms - Free plan Web
- Free plan
- Yes
- Paid from
- 10 /mo
- Deployment
- cloud
- Scan scope
- internet
- Service detection
- No
- OS detection
- No
RecognisedDocumentedFree planFree trialPlatforms - Free plan Android
- Free plan
- Yes
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan Web
- Free plan
- Yes
- Deployment
- cloud
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free planOpen source WebWindowsmacOSLinux
- Free plan
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free plan
- Free plan
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free planRecognisedDocumentedFree planFree trialPlatforms
- Windows
- Free plan
- No
- Deployment
- desktop
- Scan scope
- network
- Service detection
- Yes
- OS detection
- No
RecognisedDocumentedFree planFree trialPlatforms - Windows
- Deployment
- desktop
- Scan scope
- host
RecognisedDocumentedFree planFree trialPlatforms
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which port scanner software is ranked first on The Geeks Club?
Nmap is ranked #1 of 26 with a score of 9.4. ScanSearch is second and Pentest-Tools Port Scanner third.
How many of these have a free plan?
22 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, ScanSearch has the lowest first paid tier we found: $0.30/mo.
How is this list ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on. Paid placements never change a rank.
More in Cloud, Backup & PC
All cloud, backup & pc listsBackup software 145Web browsers 139Remote desktop software 130Data recovery software 121PC Optimization Software 94Disk Space Analyzers 84Keyboard and Mouse Customization Software 79Photo Storage Services 69Media Player Software 66File Manager Software 62Hardware Monitoring Software 57Window Management Software 54