Free network monitoring software downloads

Servers Alive is your 24/7 automatic server monitoring solution for guarding against server and process failures or attack. Script your own tests plus use our built-in functionality to automatically monitor critical server functions and processes including: PING (ICMP/TCP and IPX),
TCP Services, UDP Services, DNS, Windows Servers, Web Services, Databases, Netware, SNMP, Temperature and Humidity levels, and more.
Servers Alive protects your network even when your data center is closed. Our Comprehensive re...

TCP Spy .NET is a small application used to trace TCP packets between a client and a server. Optimized for .NET Web Services or Web Site TCP Spy .NET will help you find any bottleneck and it will help you in analyzing your bandwidth usage. With TCP Spy .NET, you can inspect data in different views, track server calls or just redirect the host.

It's a 4 in 1 tool:
- monitoring tool
- web service / web site profiling tool
- redirection server
- Network / Web Site / Web Services spy

Features:

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Serial Com Port Monitor displays, logs and analyzes all serial data exchange between serial devices and any application. This tool is ideal to monitor serial communication, all data that is sent to and received from serial RS232/422/485 port, all events that are sent to port by an application and the status of these events. Different types of monitored data representation, easy to navigate and customizable interface supplemented with flexible com port configuration and terminal emulation mode make Serial Co...

Advanced invisible keylogger tool keeps all keystroke or screenshot including recently visited sites, sending and receiving emails, online chat conversation etc. Keyboard monitoring software is best tool that helps user to investigate all activates performed on your PC in your absence by your employees, guest users, children etc. Professional monitoring and surveillance software works in background and save all the data captured into a hidden encrypted log file and provide facility to mail user activities ...

PacketTrap (http://www.PacketTrap.com) Switch Port Mapper helps network engineers discover the devices connected to each port on a switch quickly, thus eliminating the need to manually trace network cables. The tool provides device visibility like IP address, MAC address, VLAN, port name and availability, as well as the capability to enable or disable an interface. Since this is a real-time discovery, the network engineer can also view the operational status and speed of each port. The Switch Port Mapper re...