head to head · open source
SigNoz vs phantomas
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. phantomas has 2,263 stars, 133 forks, 65 open issues and last shipped 2 days ago. SigNoz leads on adoption by 1,337% (32,525 vs 2,263 stars). SigNoz is written in TypeScript under a custom or non-standard licence; phantomas is written in JavaScript under BSD-2-Clause. SigNoz has attracted 8% as many forks as stars, phantomas 6%. SigNoz 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
| SigNoz | phantomas | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 2.3K |
| License | Custom / other | BSD-2-Clause |
| Written in | TypeScript | JavaScript |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 2.6K | ⑂ 133 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SigNoz if
- You weight community size — 33K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- 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 SigNoz
中文 · Deutsch · Português SigNoz is an open source observability platform built on OpenTelemetry. We’re building an enterprise grade alternative to fragmented monitoring stacks, with logs, metrics, traces, alerts, and dashboards in one place. Choose how to run SigNoz SigNoz Cloud (Recommended) Fully managed SigNoz with a 30 day free trial, no credit card required, usage based pricing that starts at $49, and regional data hosting. Start free → Enterprise Enterprise Cloud, BYOC, or Enterprise Self Hosted with compliance, support, custom retention, RBAC, ingestion controls, data residency, and region selection…
read the full SigNoz 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 SigNoz or phantomas more popular?
SigNoz has 32,525 GitHub stars and phantomas has 2,263. SigNoz has the larger community by that measure.
Are SigNoz and phantomas free?
Both are open source. SigNoz has no licence declared in this registry, and phantomas is licensed under BSD-2-Clause. Both are free to self-host.
What is the difference between SigNoz and phantomas?
SigNoz is written in TypeScript 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, SigNoz or phantomas?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose phantomas if its feature set, stack or BSD-2-Clause licence fits better. Both are self-hostable.