FramePad is a network protocol analyzer and monitoring tool for Windows 98/NT/2000/XP. It allows you to examine data from a live network or from a capture file on disk. You can interactively browse the capture data, viewing summary and detail information for each packet.

TCP Spy .NET is a small application used to trace TCP packets between a client and a server. Optimized for .NET Web Services or Web Site TCP Spy .NET will help you find any bottleneck and it will help you in analyzing your bandwidth usage. With TCP Spy .NET, you can inspect data in different views, track server calls or just redirect the host.

pt360 Tool Suite features a unique centralized dashboard that has unmatched dataflow capabilities and gives users the ability to run network reporting, diagnostic and monitoring from a single intuitive interface. The free solution supports browser-based open source tools and includes essential elements required to prevent network failures and improve productivity such as TFTP server, SNMP scan, WMI, ping scan, port scan, and DNS audit tools.