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.
TamoGraph Site Survey - Wi-Fi site coverage survey and modelling application
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.
Waircut - Free network audit app
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Ekahau Site Survey - Ekahau Site Survey is a flexible wireless site survey software tool that performs automatic wireless coverage calculations and collects detailed information about your wireless network environment.