What are some alternatives?
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
LogicMonitor - LogicMonitor is the SaaS performance monitoring platform for the world's best IT teams. Deploy Fast, Monitor More, Improve Ops.
Cabot - Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty
Pulseway - Pulseway changes the enterprise monitoring and management game with its mobile management solution.
Squadcast - Intelligent IT Incident Management & Alerting and monitoring software for Cloud based applications