Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
TrafficMonitor - TrafficMonitor is a network monitoring suspension window software in Windows.
AppDynamics - Get real-time insight from your apps using Application Performance Management—how they’re being used, how they’re performing, where they need help.
NetBalancer - NetBalancer is a Windows application for local network traffic control and monitoring.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
NetTraffic - Essential network bandwidth monitor.