head to head · open source
SigNoz vs amplify-js
SigNoz has 32,528 GitHub stars, 2,575 forks, 1,557 open issues and last shipped yesterday. amplify-js has 9,554 stars, 2,172 forks, 512 open issues and last shipped 2 days ago. SigNoz leads on adoption by 240% (32,528 vs 9,554 stars). SigNoz is written in TypeScript under a custom or non-standard licence; amplify-js is written in TypeScript under Apache-2.0. SigNoz has attracted 8% as many forks as stars, amplify-js 23%. 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 | amplify-js | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 9.6K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 2.6K | ⑂ 2.2K |
| 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 amplify-js if
- You want the amplify-js feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and amplify-js 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 amplify-js
Reporting Bugs / Feature Requests Note aws amplify 6 has been released. If you are looking for upgrade guidance click here ⚠️ Deprecation Notice All AWS Amplify JavaScript library versions other than v5 and v6 are deprecated. Only v5.x.x and v6.x.x are actively supported. Versions v4 and below are deprecated. If you are using any version other than v5 or v6, we strongly recommend upgrading to v6 as soon as possible. AWS Amplify is a JavaScript library for frontend and mobile developers building cloud enabled applications AWS Amplify provides a declarative and easy to use interface across different categories of…
read the full amplify-js overview →
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Frequently asked questions
Is SigNoz or amplify-js more popular?
SigNoz has 32,528 GitHub stars and amplify-js has 9,554. SigNoz has the larger community by that measure.
Are SigNoz and amplify-js free?
Both are open source. SigNoz has no licence declared in this registry, and amplify-js is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and amplify-js?
SigNoz is written in TypeScript and amplify-js in TypeScript. 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 amplify-js?
Choose SigNoz if you want the larger community (32,528 stars) or its Custom / other licence terms. Choose amplify-js if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.