bugsnag
Monitor everything you're building.
windows linux osx open-source ruby java python php nodejs errors
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
Pallet
A tool to provision and maintain servers across various cloud platforms as well as virtual machine platforms, without any dependencies. Provides cloud and operating system independence.
linux windows osx open-source cloud-paas clojure
Rex
A agent-less server orchestration tool built on Perl
linux windows osx open-source orchestration perl
Rollbar
Detect, diagnose and defeat errors.
linux windows osx nodejs open-source ruby php java python errors
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
Supervisord Monitor
Supervisord Monitor is multi server monitoring tool for supervisor - watch, start and stop all your supervisord instances and servvices from one place.
linux windows osx open-source monitoring provisioning php process-mgmt
Zabbix
An open source, enterprise-class monitoring framework
linux windows osx open-source monitoring c