.CAP file extension

Wireshark is the world's foremost network protocol analyzer. It lets you see what's happening on your network at a microscopic level. It is the de facto (and often de jure) standard across many industries and educational institutions. Decryption support for many protocols, including IPsec, ISAKMP, Kerberos, SNMPv3, SSL/TLS, WEP, and WPA/WPA2... (more)

The program works with the following extensions: enc, 5vw, apc, atc, bfr, cap, fdc, rf5, syc, tpc, tr1, erf, acp, trc, wpc, pkt, wpz, pcap, snoop and trace

Sniffer application used to monitor network traffic, filtering by protocol.

Network Monitor is a protocol analyzer which allows to capture network traffic.

An application you can use to create web-based games.

EtherSnoop light is a free network sniffer, designed for capturing and analysis of the packets goin...

Distinct Network Monitor is an essential utility in every network administrator.

It's a simple, practical and versatile solution for mobile computing.

LTspice IV - a high performance simulator, schematic capture and waveform viewer.

BeeThink SpyDetector protects your computer from any type of spyware.