Top 12 Open-Source Alternatives to Munin

The top open-source alternatives to Munin are Zabbix, Nagios, and Datadog. 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
Nagios Landing Page
2

Nagios

Complete monitoring and alerting for servers, switches, applications, and services
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management
Datadog Landing Page
3

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
Cacti Landing Page
4

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
Netdata Landing Page
5

Netdata

Monitor your servers, containers, and applications, in high-resolution and in real-time.
Pricing:
- Open Source
- Freemium
- Free Trial
- $3.0 / Monthly (Netdata Pro, $3 /Node /mo - Netdata Business, $4 /Node /mo )
#Monitoring Tools #Performance Monitoring #Incident Management 5 social mentions
Grafana Landing Page
6

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
LibreNMS Landing Page
7

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
8

Prometheus

An open-source systems monitoring and alerting toolkit.
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management 225 social mentions
vnStat Landing Page
9

vS

vnStat

vnStat is a console-based network traffic monitor for Linux and BSD that keeps a log of network...
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #DevOps Tools 4 social mentions
Icinga Landing Page
10

Icinga

Icinga is a fork of Nagios and is backward compatible.
Pricing:
- Open Source
#Monitoring Tools #Log Management #Performance Monitoring 8 social mentions
Cabot Landing Page
11

Cabot

Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty
Pricing:
- Open Source
#Monitoring Tools #Website Monitoring #Uptime Monitoring 2 social mentions
systemd Landing Page
12

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systemd

systemd is a replacement for the init daemon for Linux (either System V or BSD-style).
Pricing:
- Open Source
#Monitoring Tools #Log Management #Fintech