head to head · open source
worldmonitor vs opencost
worldmonitor has 90,021 GitHub stars, 13,905 forks, 313 open issues and last shipped yesterday. opencost has 6,802 stars, 916 forks, 306 open issues and last shipped 5 days ago. worldmonitor leads on adoption by 1,223% (90,021 vs 6,802 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 | ★ 90K | ★ 6.8K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-02 | 2026-10-29 |
| Forks | ⑂ 14K | ⑂ 916 |
| 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 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 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 opencost
OpenCost — your favorite open source cost monitoring tool for Kubernetes and cloud spend OpenCost give teams visibility into current and historical Kubernetes and cloud spend and resource allocation. These models provide cost transparency in Kubernetes environments that support multiple applications, teams, departments, etc. It also provides visibility into the cloud costs across multiple providers. OpenCost was originally developed and open sourced by Kubecost. This project combines a specification as well as a Golang implementation of these detailed requirements. The web UI is available in the…
read the full opencost overview →
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Frequently asked questions
Is worldmonitor or opencost more popular?
worldmonitor has 90,021 GitHub stars and opencost has 6,802. 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 (90,021 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.