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.
System Center Configuration Manager - Simplify your datacenter and IT management for increased agility and performance with Microsoft System Center 2016.
M/Monit - Monit is a free open source utility for managing and monitoring, processes, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.
FusionInventory - Fork of the OCS Inventory project that enables users to inventory their IT assets.
LogicMonitor - LogicMonitor is the SaaS performance monitoring platform for the world's best IT teams. Deploy Fast, Monitor More, Improve Ops.
Open-AudIT - Open-AudIT is a network auditing application.