head to head · open source
worldmonitor vs viztracer
worldmonitor has 90,021 GitHub stars, 13,905 forks, 313 open issues and last shipped yesterday. viztracer has 7,772 stars, 480 forks, 33 open issues and last shipped 1 months ago. worldmonitor leads on adoption by 1,058% (90,021 vs 7,772 stars). worldmonitor is written in TypeScript under AGPL-3.0; viztracer is written in Python under Apache-2.0. worldmonitor has attracted 15% as many forks as stars, viztracer 6%. 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 | viztracer | |
|---|---|---|
| GitHub stars | ★ 90K | ★ 7.8K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-11-02 | 2026-09-26 |
| Forks | ⑂ 14K | ⑂ 480 |
| 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 viztracer if
- You want the viztracer feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and viztracer 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 viztracer
VizTracer VizTracer is a low overhead logging/debugging/profiling tool that can trace and visualize your python code execution. The front end UI is powered by Perfetto. Use "AWSD" to zoom/navigate . More help can be found in "Support Controls". Highlights Detailed function entry/exit information on timeline with source code Super easy to use, no source code change for most features, no package dependency Low overhead, probably the fastest tracer in the market Supports threading, multiprocessing, subprocess, async and PyTorch Powerful front end, able to render GB level trace smoothly Works on Linux/MacOS/Windows…
read the full viztracer overview →
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Frequently asked questions
Is worldmonitor or viztracer more popular?
worldmonitor has 90,021 GitHub stars and viztracer has 7,772. worldmonitor has the larger community by that measure.
Are worldmonitor and viztracer free?
Both are open source. worldmonitor is licensed under AGPL-3.0 and viztracer under Apache-2.0. Neither carries a licence fee.
What is the difference between worldmonitor and viztracer?
worldmonitor is written in TypeScript and viztracer in Python. 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 viztracer?
Choose worldmonitor if you want the larger community (90,021 stars) or its AGPL-3.0 licence terms. Choose viztracer if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.