Join us at the 5th Check_MK Conference (April 28th-30th, 2019) — Register now!

infrastructure & application monitoring

Helping you stay up and running
from simple to the most complex environments

Trusted by

  • Deutsche Telekom
  • Zalando
  • Robert Bosch
  • Airbus Defence and Space
  • Linde
  • Groupon
  • Marketo
  • AppNexus
  • Continental
  • Swisscom
  • SKY Italia
  • British Telecoms
  • Sixt
  • Leibniz-Rechenzentrum der Bayerischen Akademie der Wissenschaften
  • Vodafone
  • Schenker Deutschland
  • Forschungszentrum Juelich
  • home24
  • Agfa-Gevaert Group
  • Autoneum
  • Vinci Construction
  • Westdeutscher Rundfunk Köln
  • UPC Schweiz
  • London School of Economics and Political Science
  • Sberbank
  • Simplot
  • Deutsche Rentenversicherung
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Storage Monitoring

Dell • EMC • Fujitsu • HP • Hitachi • IBM • NetApp • Oracle

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Database Monitoring

MySQL • Oracle • PostgreSQL • Azure SQL • IBM DB2 • Microsoft SQL Server • SAP HANA • MongoDB

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Environment monitoring

APC • Bachmann • ELTEK • Emerson • Gude • Kentix • Raritan • Rittal • Socomec • Wagner

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Container monitoring

Docker • Kubernetes

For more information, see our plug-ins overview or dive into a list of all our 1700 plug-ins


Real-time dashboards, customizable for each user or group

Metrics & Graphing

Analysis of time-series metrics in interactive and dynamic HTML5 graphs

Infrastructure monitoring

Hosts and services overviews that enable fast drill downs

Log and event monitoring

Efficient processing of events and analysis of error messages via SNMP-traps, syslog and other arbitrary log files

Availability & SLA reporting

Precise availability and SLA fulfillment computations and automated report generation

Notifications & Alerts

Comprehensive, rule-based notifications to fulfill complex requirements regarding time periods, service levels, and similar

Configuration & auto-discovery

Modern rule-based configuration and unique system to automatically detect and configure endpoints/services
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Simple configuration

From Zero to Monitoring in <15 min
Integrated software package with 1500 quality-controlled check-plugins • Identifcation of more than 90% of devices and services via auto-discovery • Check Plug-Ins with preconfigured thresholds

Scalability icon

Best scalability

Millions of services in one monitoring
Possibility to monitor several hundred thousand services from one server • Minimal required hardware investments • In addition, monitoring of up to several hundred sites

Flexibility icon

Highest flexibility

Ready for every IT environment
Rule-based configuration without cumbersome 1-to-1 allocation • Large parts of software written in Python, easily customizable • Very exhaustive monitoring through large plug-in library possible

Result: Low total cost of ownership, extremely high user effectiveness

Check_MK 1.5+ introduces AWS, Azure, and Kubernetes monitoring

A new major update for Check_MK is available now: Check_MK 1.5+!
With the new release, Check_MK supports cloud monitoring for Amazon Web Servcies and Microsoft Azure.
The new release also enhances the monitoring of container environments beyond the already existing Docker monitoring to allow users now to monitor Kubernetes as well.
Several new integrations for VictorOps, PagerDuty and Slack have also been added.
We look forward to receiving your feedback!

Check_MK Conference #5

The fifth annual Check_MK conference is now open for registration. The highly informative event in a familiar atmosphere will take place from 04/28 to 04/30/2019. Over the course of 2 ½ days, the participants have time to learn about best practices, the latest developments as well as to network with their peers and the Check_MK team.

Open Source Monitoring

Open Source is the foundation of our company – we build it, we use it, we love it.
Since our foundation we offer Check_MK as an open source infrastructure and application monitoring solution (the 'Raw Edition'), supported by a large and vibrant user community. In addition, we offer commercial 'enterprise-grade IT monitoring' editions for customers requiring enterprise features, a higher performance, professional support, or the availability of appliances..