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What IPNetPeek
Free

Free and open source under the GPL 3.0.

 Free

Free and open source under the GPL 3.

Linux Linux
  • Local and public IP for every interface in one window
  • Checks whether listening ports are publicly reachable
  • Simple GNOME interface for network discovery
  • Shows open ports on discovered devices
  • Linux only
  • Basic scanning compared with dedicated network scanners
  • Linux only
  • Far fewer options than a full scanner like Nmap
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0-or-later License: GPL-3.0-or-later
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked October 1, 2026

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