What is the main difference between Nagios and Zabbix?

Nagios and Zabbix are both infrastructure monitoring tools but differ in their approach, features, and target audience. Compare their GitHub stats, technology stack, and community adoption to make the best choice.

Which is better: Nagios or Zabbix?

The choice between Nagios and Zabbix depends on your specific needs, technical requirements, and team preferences. Both are quality open source solutions with active communities.

Can I migrate from Nagios to Zabbix?

Migration between Nagios and Zabbix is possible but requires careful planning. Consider data export/import capabilities, feature parity, and potential workflow changes.

Openlane – Open-source, developer-first platform for automated compliance, risk management, and built-in Trust Center.

Learn more

Nagios vs Zabbix

Learn how Nagios and Zabbix differ in their key features, development activity, technology stack and community adoption, so you can decide which of these infrastructure monitoring tools is best for you.

Nagios

Free open source IT monitoring solution for servers, networks, and applications. Trusted by 1M+ users worldwide with powerful alerting and enterprise-grade features.

Visit Nagios Read more

2,061stars+15(+0.7%)

Last 30 days

Last commit
3 months ago
Repository age
13 years
Version
4.5.14
License
GPL-2.0
Self-hosted
Yes
Repository
nagioscore

Zabbix

Monitors networks, servers, cloud services, IoT, and OT environments with no per-device licensing fees, available self-hosted or as a managed SaaS platform.

Visit Zabbix Read more

6,507stars+92(+1.4%)

Last 30 days

Last commit
3 days ago
Repository age
13 years
License
AGPL-3.0
Self-hosted
Yes
Repository
zabbix/zabbix

Detailed Comparison

Zabbix appears to have several advantages over Nagios, particularly in popularity, growth and activity. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.

Zabbix wins

Community & Popularity

Zabbix significantly outpaces Nagios in community adoption with 6,507 stars compared to 2,061 stars on GitHub. This 3.2x difference suggests Zabbix has a much larger and more active community. In terms of developer contributions, Zabbix has 1,269 forks, indicating strong developer engagement.

Zabbix wins

Growth Momentum

Zabbix is growing faster, adding 92 stars in the last 30 days (+1.4%) against adding 15 stars for Nagios (+0.7%). Zabbix is both larger and pulling further ahead.

Zabbix wins

Development Activity

Zabbix shows more recent development activity with its last commit 3 days ago, while Nagios was last updated 3 months ago. This suggests Zabbix is being more actively maintained.

Comparable

Technology Stack

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, C, Objective-C, PHP, Perl. However, they differ in their additional technology choices: Nagios uses Ruby while Zabbix leverages Golang, SCSS, Java, C++.

Comparable

Project Maturity

Both projects started around the same time, with Nagios beginning 13 years ago and Zabbix 13 years ago.

Comparable

Licensing

The projects use different licenses: Nagios is licensed under GPL-2.0 while Zabbix uses AGPL-3.0. Consider the licensing requirements when choosing for your project.

Comparable