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

Errbit

An open source, self-hosted error catching tool, which can collect and manage errors from other applications. It is compatible with the Airbrake API and can be used as a drop-in replacement.

     

linux windows osx open-source monitoring ruby

FastForward

Flexible operating-system event and metric forwarding agent. Receives input and forwards output using plugins.

     

linux windows osx open-source metrics monitoring ruby

Fig

A package management tool, similar to Ivy/APT, but language agnostic, faster and works well with both executables and libraries.

     

linux windows osx open-source packaging ruby

FnordMetric

A HTML5/Javascript API for collecting and visualizing time series data

     

linux windows osx open-source monitoring ruby

Monigusto

A collection of Chef recipes to install various monitoring tools (such as sensu, statsd, etc). Makes it a breeze to get a monitoring infrastructure up and running

     

linux windows osx open-source monitoring ruby

Orc

A model driven orchestration tool for deployment of application clusters

     

linux windows osx open-source provisioning orchestration ruby

Puppet Dashboard

A web interface for Puppet. It can view and analyze Puppet reports, assign Puppet classes and parameters to nodes, view inventory data and backed-up file contents, etc.

     

linux windows osx open-source monitoring ruby

Rex

A agent-less server orchestration tool built on Perl

     

linux windows osx open-source orchestration perl

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

Statman

Statman makes it possible to instrument and collect statistics from your high-traffic production Erlang systems with very low overhead. The collected data points are aggregated in the VM and can be sent to services like Graphite, Munin, New Relic, etc.

     

linux windows osx open-source monitoring erlang

Vagrant Cachier

A Vagrant plugin that helps you reduce the amount of coffee you drink while waiting for boxes to be provisioned by sharing a common package cache among similiar VM instances.

     

linux windows osx open-source virt artifacts ruby

Veewee

veewee is a great tool for building Virtual Machine images (aka base boxes). It automates most of the steps and allows you to easily create readymade images for VirtualBox/Vagrant, VMWare Fusion, KVM and Parallels. No longer need to shy away from building custom VM images!

     

linux osx windows open-source virt packaging ruby

Zabbix

An open source, enterprise-class monitoring framework

     

linux windows osx open-source monitoring c