Top 12 Open-Source Alternatives to Opsview Atom

The top open-source alternatives to Opsview Atom are Nagios, Shinken, and Zabbix. 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.

Nagios Landing Page
1

Nagios

Complete monitoring and alerting for servers, switches, applications, and services
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management
Shinken Landing Page
2

Shinken

Nagios compatible monitoring framework, written in Python
Pricing:
- Open Source
#Monitoring Tools #Website Monitoring #Network & Admin
Zabbix Landing Page
3

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
4

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
LibreNMS Landing Page
5

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
Checkmk Landing Page
6

Checkmk

Checkmk - the software for effective IT monitoring
Pricing:
- Open Source
- Freemium
- Free Trial
- €600.0 / Annually
#Monitoring Tools #Log Management #Incident Management 53 social mentions
Icinga Landing Page
7

Icinga

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

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
Prometheus Landing Page
9

Prometheus

An open-source systems monitoring and alerting toolkit.
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management 224 social mentions
PHP Server Monitor Landing Page
10

PHP Server Monitor

PHP Server Monitor is a script that checks whether your websites and servers are up and running.
Pricing:
- Open Source
#Website Monitoring #Monitoring Tools #Uptime Monitoring
Munin Landing Page
11

Munin

PnP networked resource monitoring tool that can help to answer the what just happened to kill our performance
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management 17 social mentions
Cabot Landing Page
12

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