head to head · open source
worldmonitor vs opencost
worldmonitor has 86,752 GitHub stars, 13,161 forks, 313 open issues and last shipped today. opencost has 6,749 stars, 882 forks, 306 open issues and last shipped 2 days ago. worldmonitor leads on adoption by 1,185% (86,752 vs 6,749 stars). worldmonitor is written in TypeScript under AGPL-3.0; opencost is written in Go under Apache-2.0. worldmonitor has attracted 15% as many forks as stars, opencost 13%. 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 | opencost | |
|---|---|---|
| GitHub stars | ★ 87K | ★ 6.7K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-09-18 | 2026-09-16 |
| Forks | ⑂ 13K | ⑂ 882 |
| 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 opencost if
- You want the opencost feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and opencost 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 opencost
OpenCost is an Apache 2.0 licensed, Go based cost monitoring tool that gives platform, FinOps, and engineering teams visibility into current and historical Kubernetes resource allocation and multi cloud spend, built for anyone running Kubernetes clusters who needs to know what those clusters and their cloud services actually cost.
read the full opencost overview →
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Frequently asked questions
Is worldmonitor or opencost more popular?
worldmonitor has 86,752 GitHub stars and opencost has 6,749. worldmonitor has the larger community by that measure.
Are worldmonitor and opencost free?
Both are open source. worldmonitor is licensed under AGPL-3.0 and opencost under Apache-2.0. Neither carries a licence fee.
What is the difference between worldmonitor and opencost?
worldmonitor is written in TypeScript and opencost in Go. 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 opencost?
Choose worldmonitor if you want the larger community (86,752 stars) or its AGPL-3.0 licence terms. Choose opencost if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.