Zabbix - Track, record, alert and visualize performance and availability of IT resources
NinjaOne - NinjaOne (Formerly NinjaRMM) provides remote monitoring and management software that combines powerful functionality with a fast, modern UI. Easily remediate IT issues, automate common tasks, and support end-users with powerful IT management tools.
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.
Iron Mountain - Iron Mountain provides solutions for records management, data backup and recovery, document management, secure shredding, and data centers.
Nagios - Complete monitoring and alerting for servers, switches, applications, and services
SolarWinds Orion Platform - SolarWinds Orion Platform is an infrastructure monitoring and management solution that has been designed to streamline and manage the composite and physically dispersed IT infrastructure.