In the following section, you can find a unique collection of freeware network monitoring/Internet tools.

If you want to download a software package of all the tools listed below in one zip file, click here

To search for other network utilities:

CurrPorts	CurrPorts is a network monitoring software that displays the list of all currently opened TCP/IP and UDP ports on your local computer. For each port in the list, information about the process that opened the port is also displayed, including the process name, full path of the process, version information of the process (product name, file description, and so on), the time that the process was created, and the user that created it. In addition, CurrPorts allows you to close unwanted TCP connections, kill the process that opened the ports, and save the TCP/UDP ports information to HTML file , XML file, or to tab-delimited text file.
SmartSniff	SmartSniff allows you to capture TCP/IP packets that pass through your network adapter, and view the captured data as sequence of conversations between clients and servers. You can view the TCP/IP conversations in Ascii mode (for text-based protocols, like HTTP, SMTP, POP3 and FTP.) or as hex dump. (for non-text base protocols, like DNS)
NetworkTrafficView	NetworkTrafficView is a network monitoring tool that captures the packets pass through your network adapter, and displays general statistics about your network traffic. The packets statistics is grouped by the Ethernet Type, IP Protocol, Source/Destination Addresses, and Source/Destination ports. For every statistics line, the following information is displayed: Ethernet Type (IPv4, IPv6, ARP), IP Protocol (TCP, UDP, ICMP), Source Address, Destination Address, Source Port, Destination Port, Service Name (http, ftp, and so on), Packets Count, Total Packets Size, Total Data Size, Data Speed, Maximum Data Speed, Average Packet Size, First/Last Packet Time, Duration, and process ID/Name (For TCP connections).
HTTPNetworkSniffer	HTTPNetworkSniffer is a packet sniffer tool that captures all HTTP requests/responses sent between the Web browser and the Web server and displays them in a simple table. For every HTTP request, the following information is displayed: Host Name, HTTP method (GET, POST, HEAD), URL Path, User Agent, Response Code, Response String, Content Type, Referer, Content Encoding, Transfer Encoding, Server Name, Content Length, Cookie String, and more... You can easily select one or more HTTP information lines, and then export them to text/html/xml/csv file or copy them to the clipboard and then paste them into Excel.
TcpLogView	TcpLogView is a simple utility that monitors the opened TCP connections on your system, and adds a new log line every time that a TCP connection is opened or closed. For every log line, the following information is displayed: Even Time, Event Type (Open, Close, Listen), Local Address, Remote Address, Remote Host Name, Local Port, Remote Port, Process ID, Process Name, and the country information of the Remote IP (Requires to download IP to country file separately.)
AdapterWatch	AdapterWatch displays useful information about your network adapters: IP addresses, Hardware address, WINS servers, DNS servers, MTU value, Number of bytes received or sent, The current transfer speed, and more. In addition, it displays general TCP/IP/UDP/ICMP statistics for your local computer.
DownTester	DownTester allows you to easily test your Internet download speed in multiple locations around the world. It automatically test the download speed of the URLs that you choose, one after another. It moves to the next download URL after the specified number of seconds has been elapsed or after it downloads the specified amount of KB - just according to your preferences. After the download test is finished, you can easily save the result into text/html/xml/csv file, or copy it to the clipboard and paste it into Excel and other applications.
Wireless Network Watcher	Wireless Network Watcher is a small utility that scans your wireless network and displays the list of all computers and devices that are currently connected to your network. For every computer or device that is connected to your network, the following information is displayed: IP address, MAC address, the company that manufactured the network card, and optionally the computer name. You can also export the connected devices list into html/xml/csv/text file, or copy the list to the clipboard and then paste into Excel or other spreadsheet application.
NetResView	NetResView is a small network inventory utility that displays the list of all network resources (computers, disk shares, and printer shares) on your LAN. As opposed to "My Network Places" module of Windows, NetResView display all network resources from all domains/workgroups in one screen, and including admin/hidden shares.
PingInfoView	PingInfoView is a small utility that allows you to easily ping multiple host names and IP addresses, and watch the result in one table. It automatically ping to all hosts every number of seconds that you specify, and displays the number of succeed and failed pings, as well as the average ping time. You can also save the ping result into text/html/xml file, or copy it to the clipboard.
FastResolver	FastResolver is a small utility that resolves multiple host names into IP addresses and vice versa. You can simply type the list of IP addresses or host name that you want to resolve, or alternatively, you can specify IP addresses range that you want to scan. For local network, FastResolver also allows you to get the MAC address of all IP addresses that you scan. FastResolver is a multithreaded application, so it can resolve dozens of addresses within a few seconds.
BluetoothView	BluetoothView is a small utility that runs in the background, and monitor the activity of Bluetooth devices around you. For each detected Bluetooth device, it displays the following information: Device Name, Bluetooth Address, Major Device Type, Minor Device Type, First Detection Time, Last Detection Time, and more. BluetoothView can also notify you when a new Bluetooth device is detected, by displaying a balloon in your taskbar or by playing a small beep sound.
WirelessNetView	WirelessNetView is a small utility that runs in the background, and monitor the activity of wireless networks around you. For each detected network, it displays the following information: SSID, Last Signal Quality, Average Signal Quality, Detection Counter, Authentication Algorithm, Cipher Algorithm, MAC Address, RSSI, Channel Frequency, Channel Number, and more.
WifiInfoView	WifiInfoView scans the wireless networks in your area and displays extensive information about them, including: Network Name (SSID), MAC Address, PHY Type (802.11g or 802.11n), RSSI, Signal Quality, Frequency, Channel Number, Maximum Speed, Company Name, Router Model and Router Name (Only for routers that provides this information), and more... When you select a wireless network in the upper pane of this tool, the lower pane displays the Wi-Fi information elements received from this device, in hexadecimal format. WifiInfoView also has a summary mode, which displays a summary of all detected wireless networks, grouped by channel number, company that manufactured the router, PHY type, or the maximum speed.
WifiChannelMonitor	WifiChannelMonitor captures wifi traffic on the channel you choose, using Microsoft Network Monitor capture driver in monitor mode, and displays extensive information about access points and the wifi clients connected to them. WifiChannelMonitor also allows you to view the information about wifi clients that are not connected to any access points, including the list of SSIDs (network names) that they are trying to connect. For every access point, the following information is displayed: SSID, MAC Address, Device Manufacturer , PHY Type, Channel, RSSI, Security, Beacons Count, Probe Responses Count, Data Bytes, Retransmitted Data Bytes, and more... For every client, the following information is displayed: MAC Address, Device Manufacturer, SSID list that the client tries to connect, Sent Data Bytes, Received Data Bytes, Probe Requests Count, and more...
IPNetInfo	IPNetInfo is a small utility that allows you to easily find all available information about an IP address: The owner of the IP address, the country/state name, IP addresses range, contact information (address, phone, fax, and email), and more.
WhoisThisDomain	This utility allows you to easily get information about a registered domain. It automatically connect to the right WHOIS server, according to the top-level domain name, and retrieve the WHOIS record of the domain. It support both generic domains and country code domains.
DNSDataView	This utility is a GUI alternative to the NSLookup tool that comes with Windows operating system. It allows you to easily retrieve the DNS records (MX, NS, A, SOA) of the specified domains. You can use the default DNS server of your Internet connection, or use any other DNS server that you specify. After retrieving the DNS records for the desired domains, you can save them into text/xml/html/csv file.
QuickSetDNS	QuickSetDNS is a simple tool that allows you to easily change the DNS servers that are used for your Internet connection. You can set the desired DNS servers from the user interface, by choosing from a list of DNS servers that you defined, or from command-line, without displaying any user interface.
NetRouteView	NetRouteView is a GUI alternative to the standard route utility (Route.exe) of Windows operating system. It displays the list of all routes on your current network, including the destination, mask, gateway, interface IP address, metric value, type, protocol, age (in seconds), interface name, and the MAC address. NetRouteView also allows you to easily add new routes, as well as to remove or modify existing static routes.
NetConnectChoose	NetConnectChoose is a simple tool that allows you to easily choose the default Internet connection that will be used by all Internet applications, when you have more than a single Internet connection on the same time. (Each connection on different network adapter) It also displays extensive information about every active network/Internet connection, including network adapter name, MAC Address, Name Servers, MTU, Interface Speed, current incoming/outgoing data speed, number of received/sent packets, received/sent bytes, and more...
DNSQuerySniffer	DNSQuerySniffer is a network sniffer utility that shows the DNS queries sent on your system. For every DNS query, the following information is displayed: Host Name, Port Number, Query ID, Request Type (A, AAAA, NS, MX, and so on), Request Time, Response Time, Duration, Response Code, Number of records, and the content of the returned DNS records. You can easily export the DNS queries information to csv/tab-delimited/xml/html file, or copy the DNS queries to the clipboard, and then paste them into Excel or other spreadsheet application.
NetworkLatencyView	NetworkLatencyView is a simple tool for Windows that listens to the TCP connections on your system and calculates the network latency (in milliseconds) for every new TCP connection detected on your system. For every IP address, NetworkLatencyView displays up to 10 network latency values, and their average. The latency value calculated by NetworkLatencyView is very similar to the result you get from pinging to the same IP address. NetworkLatencyView also allows you to easily export the latency information to text/csv/tab-delimited/html/xml file, or copy the information to the clipboard and then paste it to Excel or other application.