bugsnag
Monitor everything you're building.
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FastForward
Flexible operating-system event and metric forwarding agent. Receives input and forwards output using plugins.
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Instrumental
Instrumental is a real-time, high-scale application and server monitoring tool with intelligent alerts, a powerful query language, and free development accounts.
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MCollective
Marionette Collective (MCollective) is an orchestration framework built on top of Puppet. It can interact with a large number of servers (using a pub-sub middleware) and can execute jobs in parallel
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Orc
A model driven orchestration tool for deployment of application clusters
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Raygun
Raygun keeps a watchful eye on your web and mobile applications and tells you when problems arise.
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Rex
A agent-less server orchestration tool built on Perl
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Rollbar
Detect, diagnose and defeat errors.
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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.
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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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Vaurien
A Chaos Monkey for TCP, it randomly disconnects or stalls TCP connections in your application to test application tolerance and high availability. Makes sure you correctly handle these unexpected events
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