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.
PagerDuty - Cloud based monitoring service
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.
OpsGenie - Alerting and On-Call Management for Dev&Ops Teams
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Squadcast - Automate incident response, reduce downtime and enhance your tech teams’ delivery with a unified platform.