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  • Freeware To Capture and Analyze Traffic On Your Network


    Wireshark is the world's foremost network protocol analyzer, and is the de facto (and often de jure) standard across many industries and educational institutions.

    Capsa Free

    A must-have freeware for network administrators to monitor, troubleshoot and diagnose their network. It is designed for personal and small business use.

    Snoop Analyzer Standard

    SnoopAnalyzer Standard is a network protocol analyzer based on network data capturing technology under Microsoft Windows platforms(95/98/Me/2000/NT/XP).

    AnalogX PacketMon

    AnalogX PacketMon allows you to capture IP packets that pass through your network interface - whether they originated from the machine on which PacketMon is installed, or a completely different machine on your network!

    Network Probe

    This free network monitor and protocol analyzer gives you an instant picture of the traffic situation on your network and enables you to monitor network traffic in real time, hunt down, identify, and isolate traffic problems and congestions on your network.


    Analyzer is a full configurable network analyzer program for Win32 environment. Analyzer is able to capture packets on all platforms (and link-layer technologies) supported by WinPcap, except for Windows 95.


    Sniphere is an another network wiretapping program for Windows using winpcap. Nevertheless, Sniphere is a pretty handy program with a lot of possibilities which most of free sniffers do not have.

    Network Stumbler Wireless Packet Sniffer

    Network Stumbler is a neat little program that allows you to see all the available Wi-Fi access points and networks that are in range of you and your active Wi-Fi computer. Network Stumbler is for desktop and laptop machines, and Mini Stumbler is the equivalent for the Wi-Fi enabled PDA.

    IP Sniffer

    IP sniffer is a popular freeware packet sniffer that uses the XP/2K Raw Socket features. IP Sniffer supports filtering rules, adapter selection, packet decoding, advanced protocol description and more. Detailed information about each packet is provided in a tree-style view, and the right-click menu allows to resolve or scan the selected source IP address. There are many additional features that are very useful.


    PlasticSniffer is a small and easy packet sniffer. In spite of its small size, PlasticSniffer offers some advanced features like IP filtering, port specific tracking, IP list and and option to ignore selected IPs. It does not offer the capabilities of a full featured packet sniffer, but it is exceptionally easy to use, and provides the information the average user is interested in. You must have .NET framework installed for PlasticSniffer to work.

    Comments 1 Comment
    1. mikedan's Avatar
      Do not forget:

      Microsoft Network Monitor

      One of the first software-based network capture and parser tools, Network Monitor was originally part of Microsoft's Systems Management Server (SMS) software package. Today it is a very robust stand-alone package that works well on 32 and 64 bit Windows. Its wireless monitoring is severely limited, but the protocol parsers make up for it.