bugsnag

Monitor everything you're building.

     

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

FastForward

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

     

linux windows osx open-source metrics monitoring ruby

Gauntlt

Gauntlt provides hooks to a variety of security tools and puts them within reach of security, dev and ops teams to collaborate to build rugged software. It is built to facilitate testing and communication between groups and create actionable tests that can be hooked into your deploy and testing processes.

     

linux open-source security hardening ruby

KairosDB

KairosDB is a fast distributed scalable time series database written on top of Cassandra. RESTful JSON-based query/results. Includes flot-based visualization.

     

linux windows osx open-source metrics visualization java cassandra

Monit

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

     

linux osx open-source monitoring process-mgmt c

Raygun

Raygun keeps a watchful eye on your web and mobile applications and tells you when problems arise.

     

windows linux osx open-source python nodejs java ruby errors

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

SSH KeyBox

An open-source jump box solution with auditing capabilities

     

linux open-source cloud monitoring security java