https://www.paessler.com/Download_PRTG/30_Day_Trial
AdPRTG collects and analyzes network data across virtualized applications and servers. Identify and monitor CPU and memory load, disk space, network capacity requirements, etc.
Trusted by 500,000 admins · Integrated Ticket System · All-in-one monitoring
Service catalog: Network Monitoring, Bandwidth Monitoring, Server Monitoring