Top 12 Open-Source Alternatives to Nagios XI

The top open-source alternatives to Nagios XI are Datadog, Zabbix, and Wireshark. 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.

Datadog Landing Page
1

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
Zabbix Landing Page
2

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
Wireshark Landing Page
3

Wireshark

Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
Pricing:
- Open Source
#Monitoring Tools #Log Management #Performance Monitoring 11 social mentions
Mibew Landing Page
4

Mibew

The official site of the open-source live support application Mibew Messenger
Pricing:
- Open Source
#Customer Support #Live Chat #Customer Service 1 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
Nagios Landing Page
7

Nagios

Complete monitoring and alerting for servers, switches, applications, and services
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management
osTicket Landing Page
8

osTicket

osTicket is a widely-used open source support ticket system.
Pricing:
- Open Source
#Customer Support #Help Desk #Live Chat 38 social mentions
Cacti Landing Page
9

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
10

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
11

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
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