Top 12 Open-Source Alternatives to Zenoss

The top open-source alternatives to Zenoss are Datadog, Zabbix, 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.

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
Nagios Landing Page
3

Nagios

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

Instana

Instana is Dynamic APM for Microservice Management.
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management 1 social mentions
Google StackDriver Landing Page
5

Google StackDriver

Stackdriver provides monitoring services for cloud-powered applications.
Pricing:
- Open Source
#Monitoring Tools #Log Management #Developer Tools
Prometheus Landing Page
6

Prometheus

An open-source systems monitoring and alerting toolkit.
Pricing:
- Open Source
#Monitoring Tools #Performance Monitoring #Log Management 225 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
Cacti Landing Page
8

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
Icinga Landing Page
9

Icinga

Icinga is a fork of Nagios and is backward compatible.
Pricing:
- Open Source
#Monitoring Tools #Log Management #Performance Monitoring 8 social mentions
Checkmk Landing Page
10

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
Ganglia Landing Page
11

Ganglia

Scalable distributed monitoring system
Pricing:
- Open Source
#Monitoring Tools #Log Management #Incident Management
Wireshark Landing Page
12

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