What is Komari used for?

Komari is a lightweight, self-hosted server monitoring tool written in Go, with a web dashboard fed by a small agent on each monitored machine. It is a good fit for monitoring a home lab or VPS fleet and tracking performance of small hosting setups.

Is Komari open source?

Yes. Komari is open source under the MIT licence. Its source code is on GitHub at komari-monitor/komari and is written mainly in Go.

Yes. Komari is open source, so the software itself is free to use.

Can I self-host Komari?

Yes. Komari can be self-hosted on your own server or infrastructure; there is no official hosted version.

What is Komari an alternative to?

Komari is an open-source alternative to Site24x7. Other open-source alternatives to Site24x7 include Nezha, Uptime Kuma and Netdata.

Is Komari actively maintained?

Yes. The most recent commit to Komari was on 28 September 2026, and the latest release is 1.5.1, published on 24 September 2026. The project has 6.3k stars on GitHub.

Komari: open-source alternative to Site24x7

About Komari

Komari is a self-hosted server monitoring application aimed at people who want a simple way to watch the health of their machines. A small agent runs on each server and reports metrics back to a central instance, and you read the results in a web interface. It is written in Go, which keeps the footprint low.

According to its README, it displays monitoring data at one-second intervals and is designed to use few system resources so it works on servers of any size. Everything stays under your control because you host the dashboard yourself. Repository topics also mention remote control, and the project carries a clear warning to deploy it only where you have ownership or authorization, since it can run commands on connected servers.

Komari is released under the MIT license. Documentation is provided in English and Simplified Chinese, and there is a Telegram group for the community. It suits home-lab users, small hosting setups and independent administrators who prefer a compact tool over a full observability stack.

Key features

Real-time metrics at one-second intervals
Lightweight agent for each monitored server
Web interface for server performance
Self-hosted with data kept on your server
Low resource usage on servers of any size
Remote control capabilities for managed hosts

Good fit for

→Monitoring a home lab or VPS fleet
→Lightweight alternative to heavy monitoring stacks
→Tracking performance of small hosting setups

Built with: Go
Tags: monitoring; server-monitoring; self-hosted; golang; agent; remote-control; dashboard

Komari: questions and answers

What is Komari used for?: Komari is a lightweight, self-hosted server monitoring tool written in Go, with a web dashboard fed by a small agent on each monitored machine. It is a good fit for monitoring a home lab or VPS fleet and tracking performance of small hosting setups.
Is Komari open source?: Yes. Komari is open source under the MIT licence. Its source code is on GitHub at komari-monitor/komari and is written mainly in Go.
Is Komari free?: Yes. Komari is open source, so the software itself is free to use.
Can I self-host Komari?: Yes. Komari can be self-hosted on your own server or infrastructure; there is no official hosted version.
What is Komari an alternative to?: Komari is an open-source alternative to Site24x7. Other open-source alternatives to Site24x7 include Nezha, Uptime Kuma and Netdata.
Is Komari actively maintained?: Yes. The most recent commit to Komari was on 28 September 2026, and the latest release is 1.5.1, published on 24 September 2026. The project has 6.3k stars on GitHub.