WinPcap
Industry-standard tool for link-layer network access in Windows.
23 Alternatives To WinPcap
AdRem MyNet Toolset
Network diagnostic and troubleshooting tool organizer with GRAPHICAL network map:
Axence netTools
Axence netTools is completely free of charge, both for home and commercial use – all you have to do is to register. A tool for professionals – and others.
Change MAC Address
A powerful and simple tool for changing the MAC address of a network adapter.
CurrPorts
CurrPorts displays the list of all currently opened TCP/IP and UDP ports on your local computer.
FreeCap
FreeCap - is a program for transparency redirect connections from programs through SOCKS server.
LAN Speed Test
LAN Speed Test is a FREE utility designed to accurately measure LAN speeds.
NetStumbler
Official source of information about Netstumbler.
NetworkMiner
NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows.
PRTG Network Monitor
An advanced network monitoring solution to monitor network up/downtime, traffic and usage.
Packetyzer
Packetyzer provides a Windows user interface for the Ethereal packet capture and dissection library.
Proxifier
Proxifier extends the advantages of a proxy server to network applications that don’t natively support it.
Proxycap
ProxyCap empowers you to divert your PC’s system associations through intermediary servers.
Spiceworks Help Desk
Help desk software features that work for IT
TCP Optimizer
SpeedGuide.net - The Broadband Guide. Cable modems, DSL, Wireless, Network security. Free speed tweaks and TCP/IP tools for optimizing system performance.
TCPEye
TCPEye is an easy-to-use monitoring application that will display a list of all network processes.
TCPView
TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on…
Technitium MAC Address Changer
Technitium MAC Address Changer (TMAC) is a freeware utility to instantly change or spoof MAC Address of any network card (NIC).
Wireshark
Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
iwScanner
iwScanner is a wireless scanner for linux with an easy to use graphic interface.