Utilities


Network


NetXMS
NetXMS is an enterprise grade multi-platform open source network management and monitoring system. It provides comprehensive event management, performance monitoring, alerting, reporting and graphing for all layers of IT infrastructure - from network devices to business application layer. The system has three-tier architecture: the information is collected by monitoring agents (either our own high-performance agents or SNMP agents) and delivered to monitoring server for processing and storing. Network administrator can access collected data using rich client application or web interface.
Download NetXMS

RusRoute
RusRoute is a router and firewall, Internet gateway for Windows, it is the ideal solution for making Internet gateway for local area network (LAN) of any firm, encountering and restriction of the traffic of users, protection against of network attacks with functions of NAT, redirect, dynamic shaper with conditional expressions, VPN server, proxy, LAN to VPN Bridge, DHCP servers, HTTP caches, HTTP to HTTP proxy converter, captive portal feature, timed action and Splitters for rules, with advanced routing options.
Download RusRoute


TCP/IP Manager
TCP/IP Manager is designed to help computer users keep track of their network configuration in different locations. At home or at work, changing network settings is now just one click away! Features: Save your network settings in an unlimited number of profiles; Easy switching between profiles (with tray icon and hotkeys); Generate batch files from network profiles; Import current system settings; Very fast and easy to use interface; Run at Windows startup; ...
Download TCP/IP Manager

AutoProxy
AutoProxy automatically identifies the actual Network location and switches to the corresponding Profile changing the Proxy Settings, Default Printer and Default Home Page.
Features:
- Automatically determine network location
- Automatically activate network profile (Proxy/Printer/Start Page)
- Maintain Network Profile - for each location decide if to apply proxy settings to IE and/or Firefox
- Stop/Start selected Windows Services (e.g. Firewall, Virus Scanner)
- Enable/Disable/Redstart Network adapters.
Download AutoProxy

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...
Download WifiChannelMonitor

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, IP Protocol, Source/Destination Address, Packets Count, and more...
Download NetworkTrafficView

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).
Download SmartSniff

Angry IP Scanner
Angry IP Scanner (or simply ipscan) is an open-source and cross-platform network scanner designed to be fast and simple to use. It scans IP addresses and ports as well as has many other features. It is widely used by network administrators and just curious users around the world, including large and small enterprises, banks, and government agencies.
Download Angry IP Scanner

Parser CAP
Parser CAP is intended to help you view and analyze the transmitted packages within your network, recorded and saved as PCAP files. The application can process files created by WinPcap, a Windows-compatible port of the libpcap library which can be used for capturing packets that are transferred within the network and save them to a file, for later use. Parser CAP is one of the utilities that aims to help you open such files and read their contents within a organized interface.
Download Parser CAP

ListShares
ListShares is a simple application with admittedly limited appeal. ListShares provides a quick and easy way to view all the shares on the current or remote computer. ListShares is designed for and only works on a local area network (LAN), and does not work across the Internet.
Download ListShares

SoftPerfect Network Protocol Analyzer
SoftPerfect Network Protocol Analyzer is a free professional tool for analysing, debugging, maintaining and monitoring local networks and Internet connections. It captures the data passing through the dial-up connection or Ethernet network card, analyses this data and then represents it in a readable form. This is a useful tool for network administrators, security specialists, network application developers and anyone who needs a comprehensive picture of the traffic passing through their network connection or segment of a local area network.
Download SoftPerfect Network Protocol Analyzer

WhoIsConnectedSniffer
WhoIsConnectedSniffer is a network discovery tool that listens to network packets on your network adapter using a capture driver (WinpCap or MS network monitor) and accumulates a list of computer and devices currently connected to your network. WhoIsConnectedSniffer uses various protocols to detect the computers connected to your network, including ARP, UDP, DHCP, mDNS, and BROWSER. For every detected computer or device, the following information is displayed: IP Address, MAC Address, name of the device/computer, description, Operating System, Network Adapter Company, IPv6 Address.
Download WhoIsConnectedSniffer

SoftPerfect WiFi Guard
SoftPerfect WiFi Guard is an essential tool for everyone running a small WiFi network and striving to keep it secure. Generally, modern WiFi networks are well protected, but there are a number of weaknesses that can compromise your WiFi password; this includes vulnerabilities in encryption and brute force attacks. As a result, someone can gain unauthorised access to your Internet connection and LAN and exploit them while staying unnoticed.
Download SoftPerfect WiFi Guard

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.
Download NetworkLatencyView

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.
Download DNSQuerySniffer

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.)
Download TcpLogView

IPc
IPc (IP checker) is just a simple tool to find out what your Public IP address is. It is under the form of (Non annoying) Taskbar Icon.
Download IPc

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.
Download HTTPNetworkSniffer

IP Viewer
IP Viewer is a program that displays information about the adapters on your computer. This includes IP address, MAC address, and host name. IP Viewer hides in system tray, auto refresh IP data, View all adapters on your system both virtual and physical, and shows adapter status and supported IP versions.
Download IP Viewer

Splunk
Splunk is the engine for machine data. With Splunk users can now index, search and analyze all their machine data from a single location in real time. You can collect, search and report on all your network data from one place, enabling you to quickly detect and rapidly resolve network issues. Monitor all your data - network, OS and applications, work across diverse devices in an integrated way, and find issues before your customers do.
Download Splunk

GNS3
GNS3 is a graphical network simulator that allows you to design complex network topologies. You may run simulations or configure devices ranging from simple workstations to powerful Cisco routers. It is based on Dynamips, Pemu/Qemu and Dynagen.
Download GNS3

LAN Bridger
LAN Bridger is an easy-to-use VPN tool. It lets you be a part of the same local computer network at your job, on the road, or half way around the world. Share files. Administer machines. Access music, Or kick back and play a game. If you can do it locally, LAN Bridger lets you do it remotely. It's as easy as click, click, you're connected.
Download LAN Bridger

Pinkie
Pinkie is a suite of network troubleshooting utilities packaged in an intuitive, easy to use user interface. It can continuously ping multiple hosts at the same time, perform forward & reverse DNS lookups as well as traceroute automatically. Results can be logged to disk or coppied to the clipboard with a click of a button. Traceroute can be coppied as a whole or per hop basis. Last hop can be identified and coppied with a simple right click. With Subnet Calculator, network information can be calculated and verified easily. Ping Sweep can scan the entire subnet for live hosts while Port Scanner can assist one to identifying which port is open and which is not.
Download Pinkie

SniffPass
SniffPass is small password monitoring software that listens to your network, capture the passwords that pass through your network adapter, and display them on the screen instantly. SniffPass can capture the passwords of the following Protocols: POP3, IMAP4, SMTP, FTP, and HTTP (basic authentication passwords). You can use this utility to recover lost Web/FTP/Email passwords.
Download SniffPass

IP Traffic Spy
Allows you to easily watch the data that is being passed back and forth from your computer and other computers on the internet or network. This is accomplished by reading the raw TCP/IP packets that are processed by your network adapter and displaying them in a user friendly fashion.
Download IP Traffic Spy

NetSpeedMonitor
NetSpeedMonitor is a lightweight Network Monitoring Toolbar for your Windows Taskbar designed to be used on computers that run Windows XP / 2003 / Vista or 7. With NetSpeedMonitor you can monitor the current speed (up- and downstream) of your Network Interfaces and the amount of data transferred. In addition to the Connection Table with all TCP/UDP endpoints and the Toolbar Tooltip with a quick and short traffic overview, you can also see detailed daily and monthly Traffic Statistics. NetSpeedMonitor toolbar requires no additional drivers like other Network Monitoring tools do!
Download NetSpeedMonitor

NetWorx
A simple, yet powerful utility for measuring your bandwidth usage and the speed of all kinds of wired and wireless network connections (Dial-up, Ethernet, ISDN, DSL, 802.11b etc.). The program provides the ability to measure your network throughput, graphic and numeric representation of incoming and outgoing traffic, highly customizable alerts, statistics about dialup connection duration, weekly, daily and monthly Internet usage reports, etc.
Download NetWorx

SoftPerfect Network Scanner
A multi-threaded IP, SNMP and NetBIOS scanner with a modern interface and several advanced features. It is intended for both system administrators and general users interested in computer security. The program pings computers, scans for listening TCP ports and displays which types of resources are shared on the network (including system and hidden). In addition, it allows you to mount shared resources as network drives, browse them using Windows Explorer, filter the results list and more.
Download SoftPerfect Network Scanner

IENetP Test Tool
Industrial Ethernet Network Performance (IENetP) Test Tool developed by the National Institute of Standards & Technology (NIST). This test tool determines the network performance of industrial devices using standardized metrics and tests.
Download IENetP Test Tool

LMCheck
The Domain Time LMCheck test tool lets you roughly assess the current time of Windows machines on your network quickly and easily. It uses the built-in LAN Manager NetRemote TOD (Time of Day) function to check the time on all the machines in the browse list.
Download LMCheck

Wireshark
Wireshark is the world's foremost network protocol analyzer, and is the de facto (and often de jure) standard across many industries and educational institutions.
Download Wireshark

CurrPorts
CurrPorts is 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.
Download CurrPorts

WirelessKeyView
WirelessKeyView recovers all wireless network security keys/passwords (WEP/WPA) stored in your computer by the 'Wireless Zero Configuration' service of Windows XP and by the 'WLAN AutoConfig' service of Windows Vista. It allows you to easily save all keys to text/html/xml file, or copy a single key to the clipboard.
Download WirelessKeyView


VNC (Virtual Network Computing)


TurboVNC
TurboVNC is a high-performance, enterprise-quality version of VNC based on TightVNC, x4vnc, TigerVNC, and X.org. It contains a variant of Tight encoding that is tuned for maximum performance and compression with 3D applications (VirtualGL), video, and other image-intensive workloads. TurboVNC, in combination with VirtualGL, provides a complete solution for remotely displaying 3D applications with interactive performance. TurboVNC's high-speed encoding methods have been adopted by TigerVNC and libvncserver, and TurboVNC is also compatible with any other TightVNC derivative.
Download TurboVNC

OnlineVNC Server
OnlineVNC Server is a quality and easy-to-use program that allows you to control your desktop from the web-browser from Windows, Linux or Mac OS X. Viewer for the server is written using Adobe Flash technology and requires no installation at all. With this solution you can use your desktop from anywhere - from home, from work, from Internet cafes, hotels, everywhere where there is Internet and a Web Browser.
Download OnlineVNC Server

TightVNC
TightVNC is a free remote control software package. With TightVNC, you can see the desktop of a remote machine and control it with your local mouse and keyboard, just like you would do it sitting in the front of that computer.
Download TightVNC

UltraVNC
UltraVNC is a powerful, easy to use and free software that can display the screen of another computer (via internet or network) on your own screen. The program allows you to use your mouse and keyboard to control the other PC remotely. It means that you can work on a remote computer, as if you were sitting in front of it, right from your current location. If you provide computer support, you can quickly access your customer's computers from anywhere in the world and resolve helpdesk issues remotely!
Download UltraVNC