head to head · open source
worldmonitor vs databuff
worldmonitor has 86,752 GitHub stars, 13,161 forks, 313 open issues and last shipped today. databuff has 683 stars, 136 forks, 11 open issues and last shipped 2 days ago. worldmonitor leads on adoption by 12,602% (86,752 vs 683 stars). worldmonitor is written in TypeScript under AGPL-3.0; databuff is written in Java under AGPL-3.0. worldmonitor has attracted 15% as many forks as stars, databuff 20%. 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 | databuff | |
|---|---|---|
| GitHub stars | ★ 87K | ★ 683 |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | TypeScript | Java |
| Last push | 2026-09-18 | 2026-09-16 |
| Forks | ⑂ 13K | ⑂ 136 |
| 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 databuff if
- You want the databuff feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Java
- You evaluated both and databuff 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 databuff
DataBuff — AI Native APM Built On Opentelemetry Mission: build the strongest OpenTelemetry APM backend AI native · OTLP native · multi agent out of the box · self hosted traces, metrics, topology Live Demo · Documentation · Open Source APM · 简体中文 · Community AI multi agent troubleshooting · Service health · Call graph topology Keywords : AI Native APM · OpenTelemetry APM · OTLP Backend · Multi Agent · Distributed Tracing · AIOps · Open Source APM · MCP · Self Hosted Observability What is DataBuff DataBuff is an AI native APM backend built on Opentelemetry — ingest traces, metrics, and logs via OTLP, with full sta…
read the full databuff overview →
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Frequently asked questions
Is worldmonitor or databuff more popular?
worldmonitor has 86,752 GitHub stars and databuff has 683. worldmonitor has the larger community by that measure.
Are worldmonitor and databuff free?
Both are open source. worldmonitor is licensed under AGPL-3.0 and databuff under AGPL-3.0. Neither carries a licence fee.
What is the difference between worldmonitor and databuff?
worldmonitor is written in TypeScript and databuff in Java. 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 databuff?
Choose worldmonitor if you want the larger community (86,752 stars) or its AGPL-3.0 licence terms. Choose databuff if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.