collectd

A daemon that collects system performance statistics periodically, and provides tons of plugins to store and analyze these values

     

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ConDep

ConDep is a open source infrastructure configuration and deployment DSL (Domain Specific Language) specifically targeted to (but not limited to) the Windows Server platform. If your familiar with tools like Chef and Puppet, ConDep does very much the same, but with native support for Windows.

     

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PowerShell Desired State Configuration

DSC is a new management platform in Windows PowerShell that enables deploying and managing configuration data for software services and managing the environment in which these services run.

     

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Rex

A agent-less server orchestration tool built on Perl

     

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Zabbix

An open source, enterprise-class monitoring framework

     

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