Sniffnet

Sniffnet is a cross‑platform graphical tool that captures and visualizes Internet traffic on a local machine. It presents an overview of active connections, allows inspection of individual flows, and can generate notifications for specific network events. The interface supports multiple visual themes, a thumbnail mode for compact monitoring, and offers a custom‑theme editor for personalized appearance.

The application targets developers, system administrators, and anyone who needs to observe network usage without resorting to command‑line packet analyzers. It is designed for ease of use, providing intuitive navigation between overview, inspection, and notification pages while handling the underlying packet capture and parsing automatically.

Sniffnet is distributed as free, open‑source software and is available in many languages. It runs on major desktop operating systems and can be built from source or installed from released binaries. The project is actively maintained, with a public roadmap and community sponsorship options.