Wireshark

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

Free Open Source Mac OS X Windows Linux BSD

tcpdump

tcpdump is a common packet analyzer that runs under the command line. It allows the user to intercept and display TCP/IP and other packets being transmitted or received over a network to which the computer is attached.

Free Open Source Mac OS X Windows Linux BSD

snort

Snort® is an open source network intrusion prevention and detection system (IDS/IPS) developed by Sourcefire.

Free Open Source Linux

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 operating systems, sessions, hostnames, open ports etc.

Freemium Windows

CloudShark

A web based platform that lets you view, analyze, and share packet capture files in a browser. Works in Safari for iPad and iPhone.

Commercial Mac OS X Windows Linux Android iPhone Android Tablet iPad Web

Packetyzer

Packetyzer provides a Windows user interface for the Ethereal packet capture and dissection library. Ethereal is used by network professionals around the world for...

Free Open Source Windows

Suricata

Suricata is a high performance Network IDS, IPS and Network Security Monitoring engine. Open Source and owned by a community run non-profit foundation, the Open Information Security Foundation (OISF).

Free Open Source Mac OS X Windows Linux BSD FreeBSD

LanDetective

LanDetective is a traffic analysis tool for monitoring Internet usage. Interception and logging of data transferred via high-level network protocols is the main...

Commercial 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...

Free Windows

PacketsDump

Packetsdump is a free sniffer tool, it is also a general purpose network diagnostic tool for LAN administrators, security professionals, programmers and students who are...

Free Windows

Radware

Complete DDoS protection and load balancing solutions to ensure optimal security for applications in virtual, cloud and software defined data centers.

Commercial iPhone