Packet Sniffing

software
Wireshark
Monitor data packets, investigate network issues, and generate statistics.
Wireshark Foundation
FREE
WOL Magic Packet Sender
WOL Magic Packet Sender provides the remote access to the local net computers.
Zwalisoft
FREE
Proxy Workbench
Unique proxy server that displays its data in real-time.
tcpIQ / Sigma Solutions
More

Packet Sniffing

programs
Win Sniffer
Packet monitoring and sniffing tool.
Win Sniffer Research
Accurate Network Monitor
Network Monitor - ip packet sniffing, monitoring protocol analyzer software tool.
HHD Software
Socket Workbench
Definitive tool for analysing socket communications.
tcpIQ / Sigma Solutions
Packet Engine Pro
Packet Engine Professional is a special Windows utility for amateur radio.
AGWSoft
SOFTIP PACKET
Softip a.s.
Packet Garden
Grow a private world you can later explore.
Julian Oliver
FREE
Outpost Packet Message Manager
Send and receive packet messages.
KN6PE
FREE
Engage Packet builder
A powerful and scriptable packet builder for Windows platform.
Engage Security
FREE
BillSniff
Sniffer, Sniffer Detector and Packet Generator in one program.
secureinf
Packet Spy
Designed to monitor incoming and outgoing packets of a network.
Nutty Productions
FREE
Other

Packet Sniffing

downloads
EtherDetect Packet Sniffer
Packet sniffer & network protocol analyzer.
EtherDetect
MailMonitor
If you have mail problems, MailMonitor shows you what's going on at port level.
DigiArch.org
ProForm eLearning Games Packet
Rapid Intake Inc.
Packet Excalibur (Uninstall only)
Security Bugware
Colasoft Capsa Free
It's a powerful and feature-rich network analysis app.
Colasoft LLC.
FREE
AthTek NetWalk Enterprise Edition
NIDS with network monitoring, packet sniffing and traffic analyzing functions.
AthTek Software
AthTek NetWalk Free Edition
Administrate network through network monitoring, packet sniffing and analyzing.
AthTek Software
FREE
HearthstoneTracker
Automatically tracks and generates statistics of all your HearthStone games.
HearthstoneTracker.com
FREE
Cisco Packet Tracer 32Bit
Cisco Systems, Inc.