AmonOne

A modern, self-hosted server monitoring system with system monitoring, process monitoring and notifications

     

linux windows osx open-source monitoring python

Anthracite

Tracks and manages all events that can have business and/or operational impact (deploys, manual changes, outages, press releases, etc) and provides metrics and reports

     

linux windows osx open-source monitoring python

collectd

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

     

linux windows osx open-source monitoring c

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.

     

windows open-source ci provisioning config-mgmt net

Glances

A cross-platform, curses-based monitoring tool written in Python

     

linux windows osx open-source monitoring python

Icinga

Icinga is an enterprise-grade monitoring system. It was forked from Nagios and has added many often new features and patches, including a HTML5 UI, REST interface, dynamic tables, etc. It is also backwards compatible with Nagios, so all the existing plugins can be reused.

     

linux windows osx open-source monitoring python

Instrumental

Instrumental is a real-time, high-scale application and server monitoring tool with intelligent alerts, a powerful query language, and free development accounts.

     

linux windows oxs free metrics commercial metrics monitoring visualization php ruby python net java nodejs

Logster

Reads log files and generates metrics in Graphite, Ganglia or Amazon CloudWatch

     

linux windows osx open-source monitoring python

Monit

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

     

linux osx open-source monitoring process-mgmt c

SaltStack

Salt is a powerful and different approach to infrastructure management, by focusing on high speed communications between large number of systems, and can perform orchestration, remote code execution and much more.

     

linux windows osx open-source commercial config-mgmt provisioning orchestration python

Scales

Metrics for Python, tracks python state and statistics. Inspired by the Metrics library for Java

     

linux windows osx open-source monitoring python

Sentry

Automate error tracking to find and fix issues before your users even experience a crash. Sentry is open-source, real-time, and loved by 100,000 developers around the world.

     

osx windows linux open-source errors nodejs ruby python php java monitoring

Zabbix

An open source, enterprise-class monitoring framework

     

linux windows osx open-source monitoring c