Advanced Netstat
Did you ever wonder what program uses that strange port that suddenly appears in netstat ? Then Advanced Netstat is what you need ! Many trojans,backdoors,viruses and worms open ports on your system to allow an attacker to access your system and remotely control it. ... Advanced Netstat helps you to spot such applications. ... It is the perfect tool for Administrators but also for private individuals. ... It shows you exactly which applications listen on the network for connections.
http://www.g-0.org/software/g0-advanced-netstat-demo-setup.zip - 2Mb - Download

NetStat Agent
A powerful TCP/IP troubleshooting tool for diagnosing and monitoring network. It displays all active TCP and UDP connections on your computer, ports on which the computer is listening, the state of that connections and the owning process. Under WinXP, you can get more information about process... Netstat Agent is a set of command line utilities like Netstat, Ping, Ipconfig, Route, ARP, Tracert, but in a graphical interface. ... It is a first network assistant for anyone. ... Using a powerful monitor, you can close unwanted connection or terminate enemy process automaticlly.
http://www.flexbyte.com/download/nsagent.zip - 862Kb - Download - Screenshot

X-NetStat Professional
X-NetStat Professional shows your current Internet and network connections in realtime. These connections are established each time you visit a web page, send an instant message, check your email, or anytime you do network activity that requires you to connect to another computer. ... The Professional edition of X-NetStat offers a ton of additional features geared towards Network Administrators, like a Rules system to set up actions based on network conditions, a comprehensive Network Statistics window displaying information on network interfaces and protocols, a server that lets you...
http://www.freshsoftware.com/files/xns54p_setup.exe - 2Mb - Download - Screenshot

OstroSoft Internet Tools
Award-winning integrated set of network (Internet) utilities. Contains scan wizard, port and domain scanners, connection, host, service mail and html watchers, ping, traceroute, netstat, ns lookup, ftp, whois, ph, finger and many more... All utilities are highly configurable and can work... Easy-to use interface, detailed output, reporting and logging capabilities, command-line arguments support, context-sensitive help.
http://www.ostrosoft.com/download/full/ostronet.exe - 5Mb - Download - Screenshot

NetPenguin
NetPenguin - including following network tools:IP Scanner which can find IP address;LAN Scanner which can scan IP addresses in ethernet LAN;Ping;netstat;Port Scanner;Domain Name Search which can...
http://www.netpenguin.net/software/NetPenguin.exe - 9Mb - Download - Screenshot

Network Configuration Management
Network Configuration Management is a set of utilities that manage network config, diagnose and monitor network, it includes: IP Manager: create different TCP/IP settings profiles, and switch between them instantly without reboot. All you need is just to configure ONCE any of your possible... Also includes Whois, IP Information, netstat, etc. ... Socket to Process Mapper: monitors all open TCP and UDP ports in your local computer, and maps ports to owning application so you can find out which program has opened which port.
http://www.missilesoft.net/downloads/ncm.exe - 4Mb - Download - Screenshot

iNetQuery
iNetQuery is a powerful Internet utility for network monitoring for MS Windows platforms. Special query features, like DNS, Whois or NetStat, can be used to determine detailed information about domains, hostnames or network providers. Utiltities like Ping or Traceroute are suitable to find out... A status panel shows detailed information about installed network interfaces. ... Adapter properties and activities, as well as statitistics about tranferred bytes and packets, are shown there. ... Information about domain owners, network providers and responsible persons will be determined...
http://www.atrium-software.com/download/iNetQuery.exe - 4Mb - Download - Screenshot

27 Tools-in-1 Wichio Browser
Wichio is a tabbed browser with 27 built-in utilities. It's easy to use: to set options for any utility, just right-click its button. If you install the MS speech engine, Wichio will notify you (for the features that give notifications) by saying anything you want. ... ; it also resumes broken downloads), IP-URL Checker (includes Whois, Traceroute, and DNS lookup), E-mail Alert, Web Update Alert, Lyric Finder, Auto Form Filler, Private Surfing, Save Flash, NetStat, Auto Refresh, Delete History, Cache, and Cookies, Block Pop-ups, Show your IP, Show System Resources, Auto Connect, Auto...
http://www.wichio.com/download/mainapp/wichiosetup.exe - 5Mb - Download - Screenshot

TrojanHunter
TrojanHunter is a dedicated anti trojan with file memory and registry scanning. With an easy-to-use Scanner and a Guard that scans in the background TrojanHunter is a must-have complement to your virus scanner. Features - High-speed file scan engine capable of detecting modified trojans. ... - Built-in netstat viewer. ... - LiveUpdate utility for effortless ruleset updating via the Internet. ... - TrojanHunter Guard for resident memory scanning - detect any trojans if they manage to start. ... - Process list giving details about every running process on the system, including the path to...
http://www.misec.net/products/TrojanHunterSetup.exe - 6Mb - Download - Screenshot

Essential NetTools
Essential NetTools is a set of network tools for diagnosing networks and monitoring your computer's network connections. NetStat: displays the list of your computer's network connections, information on open TCP and UDP ports, IP address, and connection states. ... NSLookup: allows you to convert IP addresses to hostnames and perform advanced DNS queries. ... TraceRoute and Ping: these familiar utilities featuring customizable options and a convenient results presentation. ... RawSocket: provides you with the ability to establish low-level TCP and UDP connections to troubleshoot and test...
http://www.tamos.com/files/ent4.zip - 3b - Download - Screenshot