Brooklyn

A Java based deployment tool, focused on both deployment as well as post-deploy lifecycle management. It is aware of network topologies, integrates with many cloud and PaaS APIs, and is designed to handle the entire roll-out

     

linux windows osx open-source provisioning orchestration java

CMB (Cloud Message Bus)

A notification service (like Amazon SQS and SNS), allows notifications to be published across many channels like Email, VoIP, SMS, etc

     

linux open-source monitoring java

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

Eucalyptus

An open source software for building Amazon EC2-compatible private and hybrid cloud platforms

     

linux open-source virt cloud-paas c

Gerrit

A Web based code review and project management system for Git projects

     

linux windows osx open-source scm java

Graylog

An open source data analytics and reporting system, built on top of Java, Scala and ElasticSearch

     

linux open-source monitoring java

Honeybadger

Honeybadger is a hosted monitoring service that tracks errors happening in your applications, aggregates them, and notifies you about them based on rules you define. Honeybadger gives you the insight you need to diagnose and fix application errors, faster.

     

linux open-source free commercial monitoring ruby nodejs php java

jclouds

A Java Library for controlling cloud resources, with various plugins for many popular cloud providers.

     

linux windows osx open-source cloud-paas java

jmxtrans

Plugs Java VM statistics via JMX to various backend monitoring tools

     

linux windows osx open-source monitoring java

Logstash

A modern tool for managing events and logs, with an ElasticSearch backend which allows a high degree of searching and filtering. It includes a shipper in remote systems, indexer in the aggregator machine, and a Web UI.

     

linux windows osx open-source monitoring java

Metrics

Captures JVM and application-level metrics for Java

     

linux windows osx open-source monitoring java

Monit

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

     

linux osx open-source monitoring process-mgmt c

Nagios Core

Nagios Core network monitoring software is a powerful, enterprise-class host, server, application, monitoring and alerting tool

     

linux solaris bsd open-source monitoring c

Netdata

netdata is a system for distributed real-time performance and health monitoring. It provides unparalleled insights, in real-time, of everything happening on the system it runs (including applications such as web and database servers), using modern interactive web dashboards.

     

linux open-source monitoring c python

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

Riemann

Riemann aggregates events from servers and applications, notifies exceptions, tracks latency, collects system statistics and more, all with a powerful stream processing language

     

linux open-source monitoring clojure

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

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

Zabbix

An open source, enterprise-class monitoring framework

     

linux windows osx open-source monitoring c

Apache ZooKeeper

ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. It is distributed and highly reliable, with Consensus, group management and presence protocols built-in.

     

linux open-source service-discovery java