Hertzbeat vs Monitoror
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Hertzbeat | Monitoror |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 91 · Excellent | 33 · At risk |
| Category | Monitoring & Status | Monitoring & Status |
| License | Apache-2.0 | MIT |
| Language | Java | Go |
| Setup difficulty | Medium | Easy |
| Min. RAM | 1,024 MB | 64 MB |
| Deployment | docker, bare-metal | docker, binary |
| GitHub stars | ★ 7,405 | ★ 4,389 |
| First released | 2022 | 2019 |
| Replaces | Zabbix, Datadog | Datadog |
What are Hertzbeat and Monitoror?
Hertzbeat
HertzBeat is an open-source real-time monitoring system that checks websites, APIs, databases, servers, and more using customizable YAML templates. It includes alerting and a friendly dashboard with no agents required.
- Agentless monitoring
- Customizable YAML templates
- Threshold alerting
- Built-in dashboards
Monitoror
Monitoror is a unified monitoring wallboard that displays the status of CI pipelines, services, and other checks on a single screen. It is designed for office TVs and team information radiators.
- Wallboard-style display
- CI and HTTP monitors
- Single-binary deployment
- Configurable tiles
Hertzbeat vs Monitoror: key differences
Hertzbeat is written in Java, while Monitoror is built with Go. Licensing differs — Apache-2.0 for Hertzbeat versus MIT for Monitoror. Monitoror is the lighter option, starting around 64 MB of RAM against 1,024 MB for Hertzbeat. Monitoror is the more established project (first released 2019), while Hertzbeat arrived in 2022.
Why pick each one
Choose Hertzbeat if…
- No agents to deploy
- Flexible templates
Watch out for
- JVM resource needs
- Newer project
Choose Monitoror if…
- Great for office TVs
- Very lightweight
Watch out for
- Limited monitor types
- Less active development
Frequently asked questions
Is Hertzbeat or Monitoror better?
Neither is universally better. Hertzbeat has the larger community, while Monitoror is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Hertzbeat and Monitoror free and open-source?
Yes. Hertzbeat is licensed under Apache-2.0 and Monitoror under MIT. Both can be self-hosted at no software cost.
Can I run Hertzbeat and Monitoror with Docker?
Hertzbeat: yes. Monitoror: yes.
Which is lighter on resources, Hertzbeat or Monitoror?
Monitoror has the smaller minimum footprint at 64 MB of RAM, compared to about 1,024 MB for Hertzbeat. Real-world usage depends on library size, user count, and enabled features.