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Nmapmasscan
Free

Free for end users under the Nmap Public Source License. Redistributing Nmap inside a…

 Free

The open-source software is available without a license fee. Hosting, hardware and…

Windows, macOS, Linux, Command line macOS, Linux, Command line
  • Host discovery, port scanning, service and version detection and OS fingerprinting in one tool
  • The Nmap Scripting Engine adds hundreds of Lua scripts for specific checks
  • Uses a high-throughput command-line scanning engine.
  • The licence is custom, not OSI-approved, and is incompatible with GPLv2
  • Companies redistributing Nmap in their own products need a commercial OEM licence
  • High packet rates can overwhelm networks if poorly configured.
Downloadable app Downloadable app
Not stated if open source Open source
License: Nmap Public Source License License: AGPL-3.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 20, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.