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NetPeekNmap
Free

Free and open source under the GPL 3.

 Free

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

Linux Windows, macOS, Linux, Command line
  • Simple GNOME interface for network discovery
  • Shows open ports on discovered devices
  • 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
  • Linux only
  • Far fewer options than a full scanner like Nmap
  • 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-3.0-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.