NetMeter is a small, customizable network bandwidth monitoring program for Windows 95/98/98SE/ME/NT4/2000/XP. NetMeter is and will always stay freeware. The program has been tested extensively on Windows 2000 and XP, but it should work just as well on all other Win32 operating systems.
IP-Tools
IP-Tools consists of 19 network utilities that offer a large viriety of network administration and monitoring services.
This award-winning program can work under Windows 95/98/ME / NT4.0/2000/XP and is indispensable for anyone who uses the Internet or Intranet.
Angry IP Scanner
Angry IP scanner is a very fast IP scanner and port scanner. It can scan IP addresses in any range as well as any their ports. Its binary file size is very small compared to other IP or port scanners. Angry IP scanner simply pings each IP address to check if it’s alive, then optionally it is resolving its hostname, determines the MAC address, scans ports, etc. The amount of gathered data about each host can be extended with the available plugins.
It also has additional features, like NetBIOS information (computer name, workgroup name, and currently logged in Windows user), favorite IP address ranges, customizable openers, etc.
Scanning results can be saved to CSV, TXT, HTML, XML or IP-Port list file, can be used as a command-line utility in a batch file, etc. With help of plugins, Angry IP Scanner can gather any information about scanned IPs. Anybody who can write code is able to write plugins and extend functionality of Angry IP Scanner.
In order to increase scanning speed, it uses multithreaded approach: a separate threads is created for each scanned IP address.
It is free and open-source software, so use it at your own risk.
Wireshark
Same developers, same code, different name. The Ethereal network protocol analyzer has changed its name to Wireshark. Wireshark’s powerful features make it the tool of choice for network troubleshooting, protocol development, and education worldwide. Wireshark was written by an international group of networking experts, and is an example of the power of open source. It runs on Windows, Linux, UNIX, and other platforms.
The Dude
The Dude network monitor is a new application by MikroTik which can dramatically improve the way you manage your network environment. It will automatically scan all devices within specified subnets, draw and layout a map of your networks, monitor services of your devices and alert you in case some service has problems.
Features:
- Auto network discovery and layout
- Discovers any type or brand of device
- Device, Link monitoring, and notifications
- Includes SVG icons for devices, and supports custom icons and backgrounds
- Easy installation and usage
- Allows you to draw your own maps and add custom devices
- Supports SNMP, ICMP, DNS and TCP monitoring for devices that support it
- Individual Link usage monitoring and graphs
- Direct access to remote control tools for device management
- Supports remote Dude server and local client
- Runs in Linux Wine environment, MacOS Darwine, and Windows
- Best price/value ratio compared to other products (free of charge)
Freeware Alternative