bugsnag

Monitor everything you're building.

     

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collectd

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

     

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ConfigCat

ConfigCat is a feature flags as a service. It gives you a web based dashboard to manage your feature flags + SDKs to integrate those feature flags into your applications. ConfigCat enables you to use the same feature flags in your mobile apps, websites and server-side applications. It offers all features for free. You get an enterprise-ready SLA with the pricing plans.

     

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Monit

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

     

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Phabricator

Phabricator is an open source collection of development and code management, including code reviews and audits, browsing repositories, tracking bugs, etc

     

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Rollbar

Detect, diagnose and defeat errors.

     

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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.

     

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Zabbix

An open source, enterprise-class monitoring framework

     

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