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.
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.
New Relic APM - New Relic APM is a powerful solution that helps you to create deploy and maintain great software.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
NewRelic - New Relic is a Software Analytics company that makes sense of billions of metrics across millions of apps. We help the people who build modern software understand the stories their data is trying to tell them.
Paessler - PRTG Network Monitor is a network monitoring and infrastructure management tool. It lets network administrators monitor devices such as access points, routers and switches. Read more about PRTG.