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.
Nagios Core - Nagios Core is a fastest-growing IT Infrastructure monitoring and alerting solution that is created for all sizes of businesses.
AppDynamics - Get real-time insight from your apps using Application Performance Management—how they’re being used, how they’re performing, where they need help.
Exoprise - Exoprise provides Digital Experience Monitoring for enterprise SaaS applications like Microsoft 365, Salesforce, ServiceNow, Active Directory, SSO, Okta, Box, and more!
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Catchpoint - Catch issues before they impact your business