Learn how Checkmk and Nagios 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.
Last 30 days
Last commit
Repository age
License
Self-hosted
Repository

Last 30 days
Last commit
Repository age
Version
License
Self-hosted
Repository

Both Checkmk and Nagios have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.
Both tools have similar popularity levels, with Checkmk having 2,345 stars and Nagios having 2,040 stars on GitHub. In terms of developer contributions, Checkmk has 554 forks, indicating moderate developer engagement.
Checkmk is growing faster, adding 28 stars in the last 30 days (+1.2%) against adding 9 stars for Nagios (+0.4%). Checkmk is both larger and pulling further ahead.
Both projects show recent activity, with Checkmk last updated 9 hours ago and Nagios 12 days ago.
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: Checkmk uses Typescript, Python, SCSS, Golang, Rust, Vue, C++, C# while Nagios leverages Ruby.
Nagios has been in development longer, starting 13 years ago, compared to Checkmk which began 8 years ago. This 5.2-year head start suggests Nagios may have more mature features and established processes.
Both projects use the GPL-2.0 license, providing identical terms for usage and distribution.
Both tools serve similar use cases in Infrastructure Monitoring.
Both Checkmk and Nagios offer self-hosting capabilities, giving you full control over your data and infrastructure.