Network Eagle Monitor
Network Eagle is a powerful network monitor. Create categorized task lists on a "set and forget" basis. Network Eagle can ping server, monitor TCP port, check HTTP URL (with HTTP auth.), test FTP link, check disk space usage, execute external command more info download

IsItUp Network Monitor
IsItUp Network Monitor is a server, website, port, and email system monitor. It monitors multiple IP devices, websites, servers and ports with alerts via email or pager; graphs. Web content check; performance stats and error log, runs as a service. more info download

HostMonitor
Award-winning tool for monitoring network resources. It can monitor any TCP service, ping a host, retrieve an URL, check the available disk space, and much more. more info download

GFI Network Server Monitor
Checks your network & servers for failures and fixes them automatically, before your network users notice them! Alerts can be sent by email, pager or SMS. You can reboot a machine, restart a service or run a script, batch job or executable. more info download

NetDecision
Enterprise software and network management services that enable IT companies to achieve greater productivity and dramatically improve the quality of their operations. more info download

Simple Server Monitor
Simple Server Monitor is a powerful, yet easy to use server monitor. It allows you to monitor the status of your servers and web applications from your desktop. When a monitor fails, you are notified by a pop-up message and/or an e-mail alert. more info download

Alchemy Eye PRO
Alchemy Eye PRO is a system tool that continuously monitors server availability and performance. In the event of network errors, the program can alert the network administrator by cell phone or pager FORE problems get seriously out of hand. more info download

Alchemy Eye
Alchemy Eye is a system tool that continuously monitors server availability and performance. In the event of network errors, the program can alert the network administrator by cell phone or pager FORE problems get seriously out of hand. more info download

Advanced Host Monitor
HostMonitor is a system management tool that continuously monitors servers availability and performance. It has 56 test methods, 27 alert methods, highly flexible report and log manager. Package includes Log Analyzer, Web Service and other utilities. more info download

IsItUp
IsItUp is a network server monitor, website monitor, and email system monitor. It monitors multiple internet, email, and website devices around the clock and notifies you, via email or pager, of the status of that device. Performance statistics kept. more info download