Ethereal Alternatives

Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.

Ettercap is a suite for man in the middle attacks on LAN.

tcpdump is a common packet analyzer that runs under the command line.

SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers.

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows.

Netcat is a featured networking utility which reads and writes data across network connections...

Fiddler is a debugging program for websites.

NetFort LANGuardian is a network visibility solution which uses deep packet inspection to monitor, troubleshoot, and report on user & network activity.

tcpflow, a TCP Flow Recorder, is a program that captures data transmitted as part of TCP...

Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system.

Intercepter-NG is a multifunctional network toolkit for various types of IT specialists.

Native Cocoa app for capturing and analyzing packets.

TcpLogView is a simple utility that monitors the opened TCP connections on your system, and adds a new log line every time that a TCP connection is opened or closed.