head to head · open source
worldmonitor vs Checkmk
worldmonitor has 90,021 GitHub stars, 13,905 forks, 313 open issues and last shipped yesterday. Checkmk has 2,633 stars, 580 forks, 55 open issues and last shipped yesterday. worldmonitor leads on adoption by 3,319% (90,021 vs 2,633 stars). worldmonitor is written in TypeScript under AGPL-3.0; Checkmk is written in Python under GPL-2.0. worldmonitor has attracted 15% as many forks as stars, Checkmk 22%. worldmonitor was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (monitoring), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| worldmonitor | Checkmk | |
|---|---|---|
| GitHub stars | ★ 90K | ★ 2.6K |
| License | AGPL-3.0 | GPL-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 14K | ⑂ 580 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick worldmonitor if
- You weight community size — 90K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Checkmk if
- You want the Checkmk feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches Python
- You evaluated both and Checkmk fits your workflow better
About worldmonitor
World Monitor 简体中文 日本語 Real time global intelligence dashboard — AI powered news aggregation, geopolitical monitoring, and infrastructure tracking in a unified situational awareness interface. Documentation · Releases · Contributing What It Does Curated news feeds across global and regional categories, AI synthesized into briefs Dual map engine — 3D globe (globe.gl) and WebGL flat map (deck.gl) with a shared map layer catalog Panel inventory — concrete panel implementations across specialized variants Cross stream correlation — military, economic, disaster, and escalation signal convergence Country Instability…
read the full worldmonitor overview →
About Checkmk
Checkmk Your complete IT monitoring solution Checkmk is a comprehensive IT monitoring system designed for scalability, flexibility, and low resource consumption. It supports infrastructure and application monitoring across physical, virtual, containerized, and cloud environments. Checkmk is available in several editions, each suited to different operational needs. Please visit our website for more details, documentation, new releases, discussion forums, and more. Checkmk Community Checkmk Community is completely free and open source (licensed under the GNU GPL v2). It includes the core Checkmk monitoring engine…
read the full Checkmk overview →
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Frequently asked questions
Is worldmonitor or Checkmk more popular?
worldmonitor has 90,021 GitHub stars and Checkmk has 2,633. worldmonitor has the larger community by that measure.
Are worldmonitor and Checkmk free?
Both are open source. worldmonitor is licensed under AGPL-3.0 and Checkmk under GPL-2.0. Neither carries a licence fee.
What is the difference between worldmonitor and Checkmk?
worldmonitor is written in TypeScript and Checkmk in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, worldmonitor or Checkmk?
Choose worldmonitor if you want the larger community (90,021 stars) or its AGPL-3.0 licence terms. Choose Checkmk if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.