Wireshark

As the leading open-source network analyzer, Wireshark offers unparalleled insight into your network communications. It captures packets traveling across your network and presents them in a readable format for detailed analysis. Whether you're diagnosing connectivity problems, analyzing malware traffic, or learning networking fundamentals, Wireshark provides the tools to examine every byte of communication. Its cross-platform compatibility and extensive documentation make complex network analysis accessible to everyone from students to enterprise engineers.