Nmap

free and open source utility for network discovery and security auditing.

Command-line tool · by Gordon Lyon · nmap.org

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What Nmap’s own pages say

What it says it doesfree and open source utility for network discovery and security auditing. nmap.org
PlatformsLinux, Mac OS X, Windows nmap.org
Free planYes nmap.org
Open sourceYes nmap.org
LicenseNmap Public Source License nmap.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.