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ZMapmasscan
Free

Free to download and use.

 Free

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

Linux, Command line macOS, Linux, Command line
  • Scans very large address ranges quickly
  • Tuning options for 10 gigabit networks
  • Uses a high-throughput command-line scanning engine.
  • Intended for authorized testing and research only
  • Command line only, with no graphical interface
  • High packet rates can overwhelm networks if poorly configured.
Downloadable app Downloadable app
Closed source Open source
License not stated License: AGPL-3.0
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

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