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

UDP packet sender utility.

A rule based packet and application filtering firewall.

Network Sniffer is a Windows based Packet sniffer an Network analyzer

Network Sniffer, Packet Sniffer

WinpkFilter is a high performance packet filtering framework.

SocketBlock is a high performance ActiveX/COM packet filtering component that...

A packet decoder, WAN simulator, application profiler

Easy, All-in-one Deep Packet Inspection Firewall/VPN with Multi-Platform Support

Sniff - O - Matic is a network protocol analyzer and packet sniffer.