Compare software

fnmap vs Nmap: catalog facts
fnmapNmap
Free

Free and open source under the GPL-2.0 or later licence.

Free

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

Linux Windows, macOS, Linux, Command line
  • Graphical interface for nmap scans
  • Quick Scan option for common scans
  • 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 of networks you own or may scan
  • Little recent activity visible on the developer site
  • 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
Open source Not stated if open source
License: GPL-2.0-or-later License: Nmap Public Source License
No account needed No account needed
Not stated if it works offline Works offline

Checked October 1, 2026

Checked September 20, 2026

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