head to head · open source
worldmonitor vs Nagios
worldmonitor has 86,684 GitHub stars, 13,147 forks, 313 open issues and last shipped yesterday. Nagios has 2,043 stars, 481 forks, 206 open issues and last shipped 1 months ago. worldmonitor leads on adoption by 4,143% (86,684 vs 2,043 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.
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Side by side
| worldmonitor | Nagios | |
|---|---|---|
| GitHub stars | ★ 87K | ★ 2.0K |
| License | AGPL-3.0 | GPL-2.0 |
| Written in | TypeScript | C |
| Last push | 2026-09-17 | 2026-08-07 |
| Forks | ⑂ 13K | ⑂ 481 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick worldmonitor if
- You weight community size — 87K 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 is an open source, real time global intelligence dashboard in TypeScript that aggregates news with AI, monitors geopolitics and infrastructure, and unifies all of it into a single situational awareness interface for analysts, journalists, researchers, and operations teams who need cross domain awareness they can self host.
read the full worldmonitor overview →
About Nagios
Nagios is a monitoring program for hosts, services, and network resources. It is written in C and released under the GNU General Public License, version 2.0. The project belongs to the Infrastructure & Operations / Monitoring & Observability ecosystem. Nagios 4.x can check network services, monitor host resources, expose status and history through optional CGI programs, and send notifications when problems occur or are resolved.
read the full Nagios overview →
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Frequently asked questions
Is worldmonitor or Nagios more popular?
worldmonitor has 86,684 GitHub stars and Nagios has 2,043. 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 (86,684 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.