Sniffnet: A Powerful, Cross-Platform Network Traffic Monitor

Sniffnet is a free and open-source, cross-platform network traffic monitoring tool available in multiple languages. Its intuitive interface allows users to easily monitor network traffic, view real-time charts, export PCAP files, and identify services and protocols. Sniffnet also supports custom themes, notifications, and filters, and includes a comprehensive Wiki. While older systems may require setting an environment variable to switch renderers, Sniffnet is a powerful and user-friendly tool overall.