PA Server Monitor is described as 'Agentless server monitoring software - monitor CPU, disk, memory, network, etc. Distributed Monitoring of Windows, Linux and networks. 30-day FREE trial!' and is a Network Monitor in the system & hardware category. There are more than 10 alternatives to PA Server Monitor for a variety of platforms, including Web-based, Windows, Linux, SaaS and Mac apps. The best PA Server Monitor alternative is Nagios, which is both free and Open Source. Other great apps like PA Server Monitor are Spiceworks, Laravel Nightwatch, Paessler PRTG Network Monitor and New Relic.