Komodor - The Kubernetes native troubleshooting platform
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Google StackDriver - Stackdriver provides monitoring services for cloud-powered 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.
ALog ConVerter - Server access log solution for finance and manufacturing
Prometheus - An open-source systems monitoring and alerting toolkit.