Wireshark

Wireshark is the world's foremost network protocol analyzer. It lets you capture and interactively browse the traffic running on a computer network. It is the de...

Free Open Source Mac Windows Linux BSD

Sysdig

Sysdig is open source, system-level exploration: capture system state and activity from a running Linux instance, then save, filter and analyze. Think of it as strace +...

Free Open Source Mac Windows Linux

SmartSniff

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

Free Windows

NetworkMiner

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can be used as a passive network sniffer/packet capturing tool in order to detect...

Freemium Windows

Colasoft Capsa

Capsa performs real-time packet capturing, 24/7 network monitoring, protocol analysis, in-depth packet decoding, and automatic expert diagnosis.

Commercial Windows

Ethereal

Ethereal® is used by network professionals around the world for troubleshooting, analysis, software and protocol development, and education. It has all of the...

• Discontinued

Free Open Source Windows Linux

tcpflow

tcpflow, a TCP Flow Recorder, is a program that captures data transmitted as part of TCP connections (flows), and stores the data in a way that is convenient for...

Free Open Source Mac Windows Linux

PacketSled

PacketSled is next generation network forensics and breach detection. Continuously monitor for advanced threats and policy violations missed by other defenses, then...

Freemium Mac Windows Linux Web

RawCap

RawCap is a free command line sniffer for network activity on Windows. Properties of RawCap: Can sniff any interface that has got an IP address, including...

Free Windows

LANGuardian

LANGuardian is the first and only deep packet inspection (DPI) software to provide SMB network managers with root cause information about network and user activity....

Commercial Mac Windows Linux

MicroOLAP TCPDUMP

MicroOLAP TCPDUMP is a clone of tcpdump , the most used network sniffer/analyzer for UNIX, compiled with the original tcpdump code (http://www.tcpdump .

Freemium Windows

AirSnare

AirSnare is another tool to add to your Wireless Intrusion Detection Toolbox. AirSnare will alert you to unfriendly MAC addresses on your network and will also alert...

• Discontinued The official website is no longer available. Last version, 1.5, released in May 2006, can be still downloaded from Download.com

Free Windows

WebSiteSniffer

WebSiteSniffer is a packet sniffer tool that captures all Web site files downloaded by your Web browser while browsing the Internet, and stores them on your hard drive...

Free Windows