PRTG - Paessler Router Traffic Grapher 6.2.1.950
PRTG Traffic Grapher is an easy to use Windows application for monitoring and classifying bandwidth usage. It provides system administrators with live readings and long-term usage trends for their network devices. PRTG is mainly used for bandwidth usage monitoring, but may also be used to monitor many other aspects of a network such as memory and CPU utilization. The user receives detailed and comprehensive bandwidth and network usage data.

Alchemy Network Monitor PRO 9.3
Alchemy Network Monitor monitors your network servers and business-critical applications availability and performance and immediately alerts you if a server gets out of order. Alchemy Network Monitor can also perform certain actions (e.g. launch an external application or execute an SQL query) when a server stops responding to the programs requests and maintain a detailed server monitoring log.

Alchemy Network Monitor 9.4
Alchemy Network Monitor monitors your network servers and business-critical applications availability and performance and immediately alerts you if a server gets out of order. Alchemy Network Monitor can also perform certain actions (e.g. launch an external application or execute an SQL query) when a server stops responding to the programs requests and maintain a detailed server monitoring log.

Simple Server Monitor 2.0.5
Simple Server Monitor is a powerful, yet easy to use network server monitoring utility. It allows you to monitor the status of your servers and web applications from your desktop. Simple Server Monitor runs as a Windows Service with GUI monitoring console. When a monitor fails, you are notified by a pop-up message, an e-mail alert, and/or a sound alert. Charts monitoring performance. Supports Ping, HTTP, FTP, SMTP, POP, IMAP, and Custom monitors.

HSLAB Free HTTP Monitor 1.9.0
HSLAB HTTP Monitor is a complete solution for visualization of the connections and performance data for Apache servers Web in real time. The information is collects remotely, the server and the HTTP Monitor can works in different places without any restrictions. This software connects to the Web server and receives from it the information about connections (sessions) by the current moment.

PA Server Monitor Free Edition 3.3
PA Server Monitor has powerful features that are very simple to setup. The Free edition monitors web pages, ping response and the Windows event log, and response actions that can send SMTP email notifications, reboot the server, and more. Reports can be generated about most monitored resources. See Server Monitor at PowerAdmin.com for details.

PA Server Monitor 3.3
PA Server Monitor is a Windows service that monitors the health and availability of Windows servers, network services (on Windows, Linux and other operating systems), and devices. No agents are needed to monitor remote servers. Also includes rich reporting on most monitored resources. PA Server Monitor can watch: Event logs, CPU, memory usage, free server disk space, changed files and directories, running Windows services, and much more.

HSLAB HTTP Monitor Lite 1.9.0
HSLAB HTTP Monitor is a complete solution for visualization of the connections and performance data for Apache servers Web in real time. The information is collects remotely, the server and the HTTP Monitor can works in different places without any restrictions. This software connects to the Web server and receives from it the information about connections (sessions) by the current moment.

Expert Website Monitor 2.1.0.8
Expert webmaster utility monitors servers, TCP/IP services and applications. Network server monitoring software detects website uptime downtime monitor IP ping failure. Monitoring Software displays upload download time, host performance and alert by ringing when RTO request time out. It shows response time by pinging route continuously.

CommandCenter-NOC 6.0
The CommandCenter NOC performs network monitoring with a powerful polling engine, keeping close watch on your Windows servers, Linux/UNIX servers, network devices and applications. It can also continually monitor the performance of your network using configurable thresholds. If an outage is detected, or a threshold is crossed, the appropriate staff members can be alerted with e-mail or pager-based notifications.