head to head · open source
Vector vs phantomas
Vector has 22,793 GitHub stars, 2,371 forks, 2,512 open issues and last shipped yesterday. phantomas has 2,263 stars, 133 forks, 65 open issues and last shipped 2 days ago. Vector leads on adoption by 907% (22,793 vs 2,263 stars). Vector is written in Rust under MPL-2.0; phantomas is written in JavaScript under BSD-2-Clause. Vector has attracted 10% as many forks as stars, phantomas 6%. Vector was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (metrics), 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
| Vector | phantomas | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 2.3K |
| License | MPL-2.0 | BSD-2-Clause |
| Written in | Rust | JavaScript |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 2.4K | ⑂ 133 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Vector if
- You weight community size — 23K stars and counting
- You want the MPL-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick phantomas if
- You want the phantomas feature set and don't need the biggest community
- You prefer the BSD-2-Clause license terms
- Your stack matches JavaScript
- You evaluated both and phantomas fits your workflow better
About Vector
Quickstart • Docs • Guides • Integrations • Chat • Download • Container Images • Rust Crate Docs What is Vector? Vector is a high performance, end to end (agent & aggregator) observability data pipeline that puts you in control of your observability data. [Collect][docs.sources], [transform][docs.transforms], and [route][docs.sinks] all your logs and metrics to any vendors you want today and any other vendors you may want tomorrow. Vector enables dramatic cost reduction, novel data enrichment, and data security where you need it, not where it is most convenient for your…
read the full Vector overview →
About phantomas
phantomas ========= Headless Chromium based modular web performance metrics collector. And why phantomas? Well, because :) Requirements NodeJS 16+ Installation Via npm This will install a recent version of Chromium supported by puppeteer module. Via Docker You can use phantomas Docker image: Or you can fetch from GitHub's Containers registry Support You can get support for phantomas via xs:code. Usage example Or run ./examples/index.js . Development version To get the latest development version of phantomas (and install all required dependencies): Running tests First you need to start a local nginx container…
read the full phantomas overview →
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Frequently asked questions
Is Vector or phantomas more popular?
Vector has 22,793 GitHub stars and phantomas has 2,263. Vector has the larger community by that measure.
Are Vector and phantomas free?
Both are open source. Vector is licensed under MPL-2.0 and phantomas under BSD-2-Clause. Neither carries a licence fee.
What is the difference between Vector and phantomas?
Vector is written in Rust and phantomas in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Vector or phantomas?
Choose Vector if you want the larger community (22,793 stars) or its MPL-2.0 licence terms. Choose phantomas if its feature set, stack or BSD-2-Clause licence fits better. Both are self-hostable.