head to head · open source
SigNoz vs opentelemetry-php
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. opentelemetry-php has 920 stars, 233 forks, 97 open issues and last shipped 2 days ago. SigNoz leads on adoption by 3,435% (32,525 vs 920 stars). SigNoz is written in TypeScript under a custom or non-standard licence; opentelemetry-php is written in PHP under Apache-2.0. SigNoz has attracted 8% as many forks as stars, opentelemetry-php 25%. 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 | opentelemetry-php | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 920 |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | PHP |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 2.6K | ⑂ 233 |
| 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 opentelemetry-php if
- You want the opentelemetry-php feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches PHP
- You evaluated both and opentelemetry-php 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 opentelemetry-php
OpenTelemetry for PHP This is the monorepo for the main components of OpenTelemetry for PHP. Documentation Please read the official documentation: API Documentation is available here: AI Assistance If you're planning on using AI to contribute to the OpenTelemetry PHP repositories, please follow the OpenTelemetry GenAI Policies. Packages and versions Releases for both this repository and contrib are based on read only git subtree splits from our monorepo. You should refer to packagist.org for all packages, their versions and details. You can also look at the read only repositories, which live in the opentelemetry…
read the full opentelemetry-php overview →
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Frequently asked questions
Is SigNoz or opentelemetry-php more popular?
SigNoz has 32,525 GitHub stars and opentelemetry-php has 920. SigNoz has the larger community by that measure.
Are SigNoz and opentelemetry-php free?
Both are open source. SigNoz has no licence declared in this registry, and opentelemetry-php is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and opentelemetry-php?
SigNoz is written in TypeScript and opentelemetry-php in PHP. 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 opentelemetry-php?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose opentelemetry-php if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.