collectd

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

     

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FAI

Fully Automatic Installation (FAI) is a tool for mass unattended deployment of Linux. You can take one or more virgin PCs, turn on the power, and after a few minutes, the systems are installed and completely configured.

     

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Monit

An open source utility for managing and monitoring processes, programs, files, directories and filesystems

     

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Nagios Core

Nagios Core network monitoring software is a powerful, enterprise-class host, server, application, monitoring and alerting tool

     

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Netdata

netdata is a system for distributed real-time performance and health monitoring. It provides unparalleled insights, in real-time, of everything happening on the system it runs (including applications such as web and database servers), using modern interactive web dashboards.

     

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Rex

A agent-less server orchestration tool built on Perl

     

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Riemann

Riemann aggregates events from servers and applications, notifies exceptions, tracks latency, collects system statistics and more, all with a powerful stream processing language

     

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Zabbix

An open source, enterprise-class monitoring framework

     

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Zipkin

A distributed request tracking system, useful for micro-service and distributed architectures written in Scala

     

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