head to head · open source
worldmonitor vs Nagios
worldmonitor has 90,021 GitHub stars, 13,905 forks, 313 open issues and last shipped yesterday. Nagios has 2,065 stars, 488 forks, 206 open issues and last shipped 7 days ago. worldmonitor leads on adoption by 4,259% (90,021 vs 2,065 stars). worldmonitor is written in TypeScript under AGPL-3.0; Nagios is written in C under GPL-2.0. worldmonitor has attracted 15% as many forks as stars, Nagios 24%. worldmonitor was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| worldmonitor | Nagios | |
|---|---|---|
| GitHub stars | ★ 90K | ★ 2.1K |
| License | AGPL-3.0 | GPL-2.0 |
| Written in | TypeScript | C |
| Last push | 2026-11-02 | 2026-10-27 |
| Forks | ⑂ 14K | ⑂ 488 |
| 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 Nagios if
- You want the Nagios feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches C
- You evaluated both and Nagios 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 Nagios
Nagios 4.x ========== Nagios is a host/service/network monitoring program written in C and released under the GNU General Public License, version 2. CGI programs are included to allow you to view the current status, history, etc via a web interface if you so desire. Visit the Nagios homepage at for documentation, new releases, bug reports, information on discussion forums, and more. Features Monitoring of network services (via SMTP, POP3, HTTP, PING, etc). Monitoring of host resources (processor load, disk usage, etc.). A plugin interface to allow for user developed service monitoring methods. Ability to define…
read the full Nagios overview →
More in Infrastructure & Operations
Related comparisons
More Monitoring & Observability projects
Compare either of these against the rest of the Monitoring & Observability field.
Frequently asked questions
Is worldmonitor or Nagios more popular?
worldmonitor has 90,021 GitHub stars and Nagios has 2,065. worldmonitor has the larger community by that measure.
Are worldmonitor and Nagios free?
Both are open source. worldmonitor is licensed under AGPL-3.0 and Nagios under GPL-2.0. Neither carries a licence fee.
What is the difference between worldmonitor and Nagios?
worldmonitor is written in TypeScript and Nagios in C. 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 Nagios?
Choose worldmonitor if you want the larger community (90,021 stars) or its AGPL-3.0 licence terms. Choose Nagios if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.