SolarWinds Server & Application Monitor is described as 'Server and application performance monitoring has never been easier or more affordable. With agentless monitoring for hundreds of applications and hardware types, Server & Application Monitor delivers the management, alerting, and reporting you need to keep your servers and' and is an app. There are more than 50 alternatives to SolarWinds Server & Application Monitor for a variety of platforms, including Windows, Linux, Web-based, Mac and SaaS apps. The best SolarWinds Server & Application Monitor alternative is Zabbix, which is both free and Open Source. Other great apps like SolarWinds Server & Application Monitor are Nagios, Datadog, Spiceworks and Laravel Nightwatch.
Not a network monitoring tool.