Compare software

ZMap vs Nmap: catalog facts
ZMapNmap
Free

Free to download and use.

Free

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

Linux, Command line Windows, macOS, Linux, Command line
  • Scans very large address ranges quickly
  • Tuning options for 10 gigabit networks
  • 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
  • Intended for authorized testing and research only
  • Command line only, with no graphical interface
  • The licence is custom, not OSI-approved, and is incompatible with GPLv2
  • Companies redistributing Nmap in their own products need a commercial OEM licence
Downloadable app Downloadable app
Closed source Not stated if open source
License not stated License: Nmap Public Source License
No account needed No account needed
Not stated if it works offline Works offline

Checked September 23, 2026

Checked September 20, 2026

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