advanced http packet sniffer

It allows to check whether the target machine recieve the packet.

HTTP Sniffer and Analyzer

Network Sniffer is a Windows based Packet sniffer an Network analyzer

Free HTTP Sniffer can monitor HTTP traffic in real-time to find the URLs.

Packet analyzer with HTTP file capture and a neat Graphical Packets Mode. Free.

Sniffer80 is simple web sniffer and packet analyzer based on .NET technology.