NetPeek is a simple network scanner that helps you discover active devices on your local network.
It shows open ports, hostnames, and allows easy rescan with a clean, user-friendly interface.
This is free and open source software.
Key Features
- Fast Network Scanning – Discover active devices on your network.
- Port Scanning – Shows open ports on discovered devices.
- Modern UI – Built with GTK4 and libadwaita.
- Multi-threaded – Fast concurrent scanning.
- Flexible Input – Supports CIDR notation, IP ranges, and single IPs.
Website: github.com/zingytomato/netpeek
Support:
Developer: ZingyTomato
License: GNU General Public License v3.0

NetPeek is written in Python. Learn Python with our recommended free books and free tutorials.
Related Software
| Graphical Port Scanners | |
|---|---|
| Zenmap | The Network Mapper Front End |
| IVRE | Network recon framework written in Python |
| Angry IP Scan | Scans IP addresses and ports |
| L0p4Map | Network monitoring, discovery and interactive topology visualization |
| NmapSI4 | Qt5-based GUI for Nmap |
| NetPeek | Discover devices on your local network |
| Umit | Network tool and port scanner developed in PyGTK. |
| GNOME Nettool | GNOME interface for various networking tools |
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