Top 12 Open-Source Alternatives to Checkmk

The top open-source alternatives to Checkmk are Zabbix, Datadog, and Nagios. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Zabbix Landing Page
1

Zabbix

Track, record, alert and visualize performance and availability of IT resources
Pricing:
- Open Source
- Free
#Monitoring Tools #Performance Monitoring #DevOps Tools 5 social mentions
Datadog Landing Page
2

Datadog

See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Pricing:
- Open Source
- Freemium
- Free Trial
- $15.0 / Monthly (per host)
#Monitoring Tools #Log Management #Error Tracking 5 social mentions
Nagios Landing Page
3

Nagios

Complete monitoring and alerting for servers, switches, applications, and services
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management
LibreNMS Landing Page
4

LibreNMS

A fully featured network monitoring system that provides a wealth of features and device support.
Pricing:
- Open Source
#Monitoring Tools #Network Monitoring #Performance Monitoring
Prometheus Landing Page
5

Prometheus

An open-source systems monitoring and alerting toolkit.
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management 225 social mentions
Icinga Landing Page
6

Icinga

Icinga is a fork of Nagios and is backward compatible.
Pricing:
- Open Source
#Monitoring Tools #Log Management #Performance Monitoring 8 social mentions
Cacti Landing Page
7

Cacti

Cacti is a complete network graphing solution. It provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features.
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management
Grafana Landing Page
8

Grafana

Data visualization & Monitoring with support for Graphite, InfluxDB, Prometheus, Elasticsearch and many more databases
Pricing:
- Open Source
#Data Dashboard #Data Visualization #Data Analytics 197 social mentions
openITCOCKPIT Landing Page
9

openITCOCKPIT

openITCOCKPIT is a leading open source monitoring framework based on Naemon (Nagios). In addition it integrates Checkmk and Prometheus. It also offers interfaces to Icinga2, PRTG and opManager to obtain status and performance from them.
Pricing:
- Open Source
- Freemium
- Free Trial
#Monitoring Tools #Log Management #Error Tracking 17 social mentions
Centreon Landing Page
10

Centreon

Centreon is a network, system, applicative supervision and monitoring tool.
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management
RPi-Monitor Landing Page
11

RPi-Monitor

RPi-Monitor is a tool that provides all the connected system peripherals properties and current metrics.
Pricing:
- Open Source
#OS & Utilities #Monitoring Tools #Uptime Monitoring
Graylog Landing Page
12

Graylog

Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.
Pricing:
- Open Source
#Monitoring Tools #Log Management #Performance Monitoring 2 social mentions