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.
ActivTrak - Understand how work gets done. Collect logs and screenshots from Windows, Mac OS and Chrome OS computers.
Prometheus - An open-source systems monitoring and alerting toolkit.
Lookout - Lookout is a cybersecurity company that predicts and stops mobile attacks before harm is done to an individual or an enterprise.
Nagios - Complete monitoring and alerting for servers, switches, applications, and services
Amazon GuardDuty - Amazon GuardDuty offers continuous monitoring of your AWS accounts and workloads to protect against malicious or unauthorized activities.