SwitchResX - SwitchResX is a tool designed to manage resolutions of all your monitors and HDTVs.
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.
EasyRes - EasyRes is a fast screen resolution switcher for Mac OS X with live animated previews.
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.
Resolutionator - Resolutionator makes it simple to use any of your display's available resolutions.
Zabbix - Track, record, alert and visualize performance and availability of IT resources