Network Monitor is real-time network connection monitoring tool displaying active connections with live I/O statistics in a modern graphical interface.
This is free and open source software.
Key Features
- Real-time monitoring: Continuously monitors active network connections.
- I/O statistics: Shows live upload/download rates for each connection.
- Process identification: Displays the program and PID associated with each connection.
- Modern GTK4 UI: Clean, responsive graphical interface with Libadwaita styling.
- Address resolution: Simplifies common addresses (localhost, any, mDNS).
- Connection filtering: Filters out localhost connections for cleaner output.
- GNOME integration: Proper WM class support for dock pinning and desktop integration.
- Dual installation: Supports both user-local and system-wide installation.
Website: github.com/grigio/network-monitor
Support:
Developer: Luigi Maselli
License: GNU General Public License v3.0

Network Monitor is written in Rust. Learn Rust with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Know a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

