Protocol Analyzers

Wireshark 1.7.0 Development / 1.6.5

A free network protocol analyzer for Windows and Unix

developer: Gerald Combs
version: 1.7.0 Development / 1.6.5
license: Freeware
updated: 2012-01-11
downloads: 268100
WinPcap 4.1.2

Will allow programs to capture and transmit network packets bypassing the protocol stack

developer: CACE Technologies
version: 4.1.2
license: Freeware
updated: 2010-08-31
downloads: 243120
IP Tools (formerly IP Sniffer)

A free protocol analyzer, that uses the Raw Socket features

developer: Erwan L.
license: Freeware
updated: 2011-11-18
downloads: 213012
CommView for WiFi 6.3 Build 701

A program for capturing traffic on 802.11a / b / g networks

developer: TamoSoft
version: 6.3 Build 701
license: Trial
updated: 2011-11-02
downloads: 77515
CommView 6.1 Build 678

A program for capturing and analyzing network packets

developer: TamoSoft
version: 6.1 Build 678
license: Trial
updated: 2011-05-05
downloads: 45912
SniffPass 1.12

Capture the passwords that pass through your network adapter.

developer: Nir Sofer
version: 1.12
license: Freeware
updated: 2010-09-08
downloads: 34952
Msn Spy & Sniffer 1.5

MSN Spy is a network utility to capture MSN chat on local network

developer: A8software
version: 1.5
license: Shareware
updated: 2006-01-03
downloads: 26215
SmartSniff 1.92

Captures TCP/IP packets and view the captured data as sequence of conversations

developer: Nir Sofer
version: 1.92
license: Freeware
updated: 2011-12-27
downloads: 25695
Active Ports 1.4

Shows all open TCP/IP and UDP ports and maps them to the owning process

developer: SmartLine Inc
version: 1.4
license: Freeware
updated: 2002-06-20
downloads: 25610
Free Serial Port Monitor 3.31

Free Serial Port Monitor, RS232 Com Software Sniffer and Communication Analyzer

developer: HHD Software
version: 3.31
license: Freeware
updated: 2005-06-02
downloads: 21636
Wireless Snif 4.159

Designed to intercept an ICQ, IRC and email messages across a LAN

developer: Ufasoft
version: 4.159
license: Demo
updated: 2011-12-21
downloads: 18988
Network Packet Analyzer CAPSA 7.3.1 Build 2436

An advanced packet analysis and sniffing tool with powerful protocol decodes capabilities

developer: Javvin Company
version: 7.3.1 Build 2436
license: Trial
updated: 2010-12-27
downloads: 16460

Windows based port listening/sniffing tool that allows you to capture TCP, UDP or ICMP traffic

developer: Binary Visions Inc.
license: Freeware
updated: 2004-11-28
downloads: 15791
IM Sniffer 1.0.344

Intercepts and decodes all instant message traffic received by the computer

developer: jdomnitz
version: 1.0.344
license: Freeware
updated: 2009-02-04
downloads: 14442
Free HTTP Sniffer 1.1 Build 20081008

Trace wide range of information in order to find the URLs for all streams on your LAN

developer: Cleanersoft Software
version: 1.1 Build 20081008
updated: 2011-05-12
downloads: 13221
Sniff-em 1.12

Sniff'em is a Windows based Packet sniffer an Network analyzer

developer: YASC LTD
version: 1.12
license: Shareware
updated: 2004-12-25
downloads: 12743
York 1.55

Log all network traffic

developer: The SZ Development
version: 1.55
license: Freeware
updated: 2012-01-10
downloads: 12347
Colasoft Capsa Enterprise 7.5.2 Build 2841

Packet sniffer (network analyzer) for network monitoring and troubleshooting

developer: Colasoft Co Ltd
version: 7.5.2 Build 2841
license: Trial
updated: 2011-10-27
downloads: 12263
EtherDetect 1.41

Connection oriented packet sniffer and protocol analyzer

developer: Effetech
version: 1.41
license: Trial
updated: 2010-03-01
downloads: 11853
Process And Port Analyzer 2.0

Process And Port Analyzer is a real time process, port and network connections analyzing software

developer: OpenPages
version: 2.0
license: Freeware
updated: 2007-06-25
downloads: 11782
Iris Network Traffic Analyzer

Monitor network traffic for anomalies.

developer: eEye Incorporated
license: Trial
updated: 2008-07-21
downloads: 10986
Faltron Port Sniffer 1.0

A very simple data sniffer that will open a listening port

developer: Faltronsoft
version: 1.0
license: Freeware
updated: 2007-01-04
downloads: 10582
Kitty-Litter The Anti-Sniffer 2.0

Prevents hackers from capturing logins and passwords and viewing traffic on your wireless network

developer: James Warden
version: 2.0
license: Freeware
updated: 2010-06-02
downloads: 8804
Softperfect Network Sniffer 2.6

A network protocol analyzer or sniffer

developer: SoftPerfect Research
version: 2.6
license: Trial
updated: 2008-10-19
downloads: 8680
FirePanel XP Sniffer Tool 1.0

A handy tool used for monitoring or troubleshooting your network activity

developer: R19 Software
license: Freeware
updated: 2004-12-20
downloads: 8195
HttpDetect (EffeTech HTTP Sniffer) 4.1

HTTP sniffer, packet analyzer, content rebuilder and http traffic monitor

developer: Effetech
version: 4.1
license: Shareware
updated: 2008-01-30
downloads: 6976
IMBoss MSN Sniffer Monitor 1.0.60715

Monitor MSN Messenger Conversations on your LAN,query logs, export Html file.

developer: AjivaSoft Computing Inc
version: 1.0.60715
license: Trial
updated: 2008-09-12
downloads: 6785
HTTPSniffer 1.2

HTTPSniffer is a handy tool to capture and analyze all communications over the HTTP

developer: xIBL
version: 1.2
license: Freeware
updated: 2007-05-26
downloads: 6640
Give Me Too 2.50

An invisible network sniffer

developer: KMiNT21 Software
version: 2.50
license: Trial
updated: 2006-10-26
downloads: 6523
TCP Viewer 2.83

TCP Viewer - captures and displays TCP/IP data between client and server

developer: Westbrook Software
version: 2.83
license: Shareware
updated: 2007-01-23
downloads: 6100
Ultra Network Sniffer 1.30 build 0043

Powerful set of network visibility tools

developer: GJPSoft
license: Shareware
updated: 2004-12-13
downloads: 5982
FakeDaemon 1.99

An easy to use custom port listener, also known as a honey pot

developer: Bloodware
version: 1.99
license: Freeware
updated: 2006-06-15
downloads: 5642
NetMon 1.0.0 Build 50

A GUI IP network sniffer tool that can capture the network package and dump to screen or put...

developer: Stone Softwares
version: 1.0.0 Build 50
license: Freeware
updated: 2008-03-11
downloads: 5633
MING Chat Monitor Home 3.5

Monitor and record AOL, MSN, Yahoo and ICQ conversations in stealth mode

developer: MING Software Inc
version: 3.5
license: Trial
updated: 2011-05-16
downloads: 5517
Bill Serial Port Monitor 3.0W

Test and analyse the activity of the serial RS-232 port

developer: Bill Production
version: 3.0W
license: Demo
updated: 2009-04-09
downloads: 5489
Packet Spy 2.1

A tool designed with the purpose of monitoring incoming and outgoing packets from a given network

developer: Nathaniel Meyer
version: 2.1
license: Freeware
updated: 2007-04-06
downloads: 5475
BillSniff 1.0.1

free network protocol analyzer

developer: Krzysztof Wlodarczyk
license: Freeware
updated: 2004-10-22
downloads: 5287
ANASIL Network Analyzer 2.2

Network analyser of local networks and the protocols decoder

developer: AplusC Sp. z o.o.
version: 2.2
license: Commercialware
updated: 2003-03-19
downloads: 5267
VisualSniffer 2.0

VisualSniffer is a powerful packet capture tool and protocol analyzer

developer: BVTech Inc
version: 2.0
license: Freeware
updated: 2005-11-25
downloads: 5252
TrafMeter 7.5.444

Accounting and realtime monitoring of Internet traffic

developer: LastBit Software
version: 7.5.444
license: Trial
updated: 2007-07-22
downloads: 5001
EtherSnoop Light 1.11

EtherSnoop Light - A basic network sniffer, that can capture all packets going through the...

developer: Arechisoft
version: 1.11
license: Freeware
updated: 2006-03-16
downloads: 4974
IP_NetStat 1.1.6

Graphical network statistics showing open TCP/IP ports and their connections.

developer: IP Worx
version: 1.1.6
license: Freeware
updated: 2005-12-01
downloads: 4911
IMBoss Google Talk Sniffer Monitor 1.60715

Monitor Google Talk Conversations on your LAN, query logs, export Html file

developer: AjivaSoft Computing Inc
version: 1.60715
license: Shareware
updated: 2006-08-09
downloads: 4683
RS232 Sniffer 1.0

A comm port sniffer to help you with your work.

developer: Elvin Deras
version: 1.0
license: LGPL
updated: 2009-11-25
downloads: 4615
LayerView [GIVEAWAY] 1.10.1003

The network analyzer for Windows

developer: Ask The Earth Ltd
version: 1.10.1003
license: Freeware
updated: 2010-12-24
downloads: 4519
Atelier Web Ports Traffic Analyzer 2.34 Build 765

Atelier Web Ports Traffic Analyzer log data sent and received to the Internet by your software

developer: Atelier Web
version: 2.34 Build 765
license: Trial
updated: 2007-06-04
downloads: 4463
DICOM Detective 2.00

A MergeDPM alternative DICOM protocol analysis and simulation software tool

developer: dicomtool
version: 2.00
license: Commercialware
updated: 2010-06-25
downloads: 4428
MaaTec Network Analyzer 1.8

Network Analyzer with stats, easy to use filtering and intuitive GUI

developer: MaaTec
version: 1.8
license: Trial
updated: 2010-11-06
downloads: 4200
TCP Spy 2.13

Capture, display and save all socket calls and data

developer: Westbrook Software
version: 2.13
license: Shareware
updated: 2006-08-02
downloads: 4083
Packet Inspector Pro 3.0

Advanced packet analysis and sniffing tool with good protocol decodes capabilities

developer: Javvin Company
license: Demo
updated: 2003-03-11
downloads: 4060