Free Download network sniffer Software

Win XP/Server/Vista/Vista x64, Pocket PC

Jitbit Network Sniffer is exactly what its name says - it is a Network Sniffer tool. It monitors your network traffic and shows the captured IP packets in the list. Packet content can be viewed in text or HEX. Jitbit Network Sniffer is a great tool for network engineers, security administrators, network software developers and anyone who needs to analyze their IP network traffic, either Ethernet or Wireless.
Download Free Trial ( 1.25 MB )

Win Other/98/XP/2000/Server

Network Sniffer is a Windows based Packet sniffer an Network analyzer Network Sniffer is a Windows based Packet sniffer an Network analyzer, a revolutionary new network management tool designed from the ground up with ease and functionality in mind. Network Sniffer aids at monitoring network traffic in order to recognize and decode certain packets of interest.
Download Freeware ( 2.17 MB )

Win Other/98/2000/XP/Server

MSN Sniffer is world's first sniffer to automate MSN chat capturing and impact analysis. After installed on one computer, it captures MSN chat across all computers in the same LAN, analyze and save into database for future analysis. msnsniffer.com It is very easy to make it to work. Just run the MSN sniffer on any computer on your network, and start to capture. No additional program installation is needed on the monitoring target computers.
Download Free Trial ( 1.40 MB )

Win Other/98/2000/XP

AIM Sniffer is a handy network utility to capture and log AIM (AOL Instant Messenger) chat from computers within the same LAN. It supports not only messaging through AIM server but also direct connection messaging.
Download Free Trial ( 0.97 MB )

Win Other/98/2000/XP/Server

ICQ Sniffer is a handy network utility to capture and log ICQ chat from computers within the same LAN. It supports messaging through ICQ server with format of plain text, RTF, or HTML. All intercepted messages are well organized by user with buddies.
Download Free Trial ( 0.91 MB )

Win Other/98/XP/2000

A software that allow system administrator to monitor and control printing in their corporate network. Versatile logging and reporting features allow for a clear view of what is being printed, how much paper is consumed, etc.
Download Free Trial ( 0.01 MB )

Win XP/Other/2000/Server

SwitchSniffer is a program that can scan your switched LAN for up hosts and can reroute and collect all packets without the target users' recognition. It can also detect the 'arpspoofer' program and block user definable session like firewall.
Download Free Trial ( 3.30 MB )

Win Other/98/XP/2000/Server

Network Digger is a Windows based Packet sniffer an Network analyzer Network Digger is a Windows based Packet sniffer an Network analyzer, a revolutionary new network management tool designed from the ground up with ease and functionality in mind.
Download Freeware ( 0.64 MB )

Win Other/98/2000/XP/Server

Sniff-em 1.12 is a Windows based Packet sniffer, Network analyzer and Network monitoring tool. Through use of our own optimised propretary network drivers we are able to capture Dialup and Wifi on all Operation systems without packet loss.
Download Free Trial ( 3.57 MB )

Win Other/98/2000/XP/Server, Linux, Unix, MS-DOS, Other, N...

PCISniffer performs a complete PCI-diagnosis. It reports device and vendor names as well as other PCI device information in plain text. This information can also be transmitted over a serial port. ISO image for making a bootable CD included.
Download Freeware ( 1.03 MB )

Win 2000/98/Vista/XP

NGS MSN Sniffer is a powerful and real-in-time tool to intercept MSN Messenger.
Download Free Trial ( 1.67 MB )

Win XP/2000/Server/Vista/Vista x64, Pocket PC

Expert packets sniffer designed for Protocol Analysis and Network Diagnosis
Download Free Trial ( 8.68 MB )

Win 2000/XP/Server

Full control over employees correspondence by intercepting all e-mail traffic
Download Free Trial ( 7.85 MB )

Win Other/98/2000

Capture ftp, telnet, pop3, http, icq, nntp, imap and other passwords on your LAN
Download Free Trial ( 0.95 MB )

Win 98/Other/2000/XP/Server/Vista

Monitor and Sniff ICQ chat conversations on all computers in network.
Download Free Trial ( 1.26 MB )

Win 98/2000/XP/Server/Vista

Monitor and Sniff AIM chat conversations on all computers in network
Download Free Trial ( 1.17 MB )

Win 2000/XP/Server/Vista

NetworkView is a compact network discovery and management tool
Download Free Trial ( 1.83 MB )

Win Other/2000/XP/Server/Vista

MSN Checker Sniffer - Block, monitor, sniff or record MSN Chat conversations
Download Free Trial ( 1.39 MB )

Win XP/Vista/2000/98/Other

dotNet Sniffer uses the .NET profiler API to save assemblies loaded from memory.
Download Freeware ( 0.74 MB )

Win Other/98/2000/XP/Server/Vista/Vista x64

A network analyzer (sniffer). It analyzes the data passing through your network.
Download Free Trial ( 1.93 MB )

Win Other/98/2000/XP

HTTP sniffer, HTTP packet analyzer, content rebuilder and http traffic monitor.
Download Free Trial ( 2.11 MB )

Win 2000/7 x32/7 x64/Server/Vista/Vista x64/XP

Network Ping is the network diagnostic utility
Download Free Trial ( 0.61 MB )

Win Other/98/2000/XP/Server

Banner Advertising Network.
Download Freeware ( 0.01 MB )

Win Other/2000/XP/Server

NetworkGazer- Security network monitoring systems with documenting capabilities.
Download Free Trial ( 2.02 MB )

Win 2000/XP/Server

NetworkSleuth is a network file searching utility.
Download Free Trial ( 1.17 MB )

Win Other/2000/XP, Linux

Network Probe is a network monitor and protocol analyzer software for you.
Download Free Trial ( 10.39 MB )

Win 98/Other/2000/XP/Server/Vista

Monitor and Sniff MSN Messenge chat conversations on all computers in network
Download Free Trial ( 1.11 MB )

Win 98/Other/2000/XP/Server

Capture and observe MSN chat conversations on all computers in network
Download Free Trial ( 1.05 MB )

Win 2000/XP

Capture and observe Yahoo Messenger conversations on all computers in a network
Download Free Trial ( 1.17 MB )

Win Other/98/2000/XP/Server/Vista/Vista x64

Connection-oriented packet sniffer and protocol analyzer.
Download Free Trial ( 1.25 MB )