Zabbix - Track, record, alert and visualize performance and availability of IT resources
Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
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.
Symantec Cloud Workload Protection - Symantec Cloud Workload Protection enables business agility and cost savings by automating security for public cloud workloads. Visit Symantec to learn more.
Prometheus - An open-source systems monitoring and alerting toolkit.
Google Cloud Platform Security Overview - Cloud Workload Protection Platforms