bugsnag

Monitor everything you're building.

     

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

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

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

jmxtrans

Plugs Java VM statistics via JMX to various backend monitoring tools

     

linux windows osx open-source monitoring java

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

Kibana

Kibana is a modern, beautiful visualization tool that works seamlessly with Logstash and ElasticSearch. It features a no-code setup, realtime analytics, and much more.

     

linux windows osx open-source monitoring nodejs visualization

log.io

Realtime log monitoring directly in the browser, without any persistence layer in the middle!

     

linux windows osx open-source monitoring nodejs

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

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

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

Statsd

A network daemon that listens and collects statistics and sends aggregates to many pluggable backend services

     

linux windows osx open-source monitoring nodejs

Uptime

An externally deployable application that keeps pinging and monitoring the uptime and availability of your real applications and services. It helps you track these metrics from the outside without affecting any of your servers.

     

linux windows osx open-source monitoring nodejs