head to head · open source
SigNoz vs amplify-js
SigNoz has 32,146 GitHub stars, 2,497 forks, 1,557 open issues and last shipped today. amplify-js has 9,561 stars, 2,174 forks, 512 open issues and last shipped 2 days ago. SigNoz leads on adoption by 236% (32,146 vs 9,561 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 | ★ 32K | ★ 9.6K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-20 | 2026-09-18 |
| Forks | ⑂ 2.5K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SigNoz if
- You weight community size — 32K 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
SigNoz is an open source, OpenTelemetry native observability platform for cloud native applications. It unifies logs, metrics, traces, alerts, and dashboards into a single tool, replacing fragmented monitoring stacks with a correlated signal pipeline. It lives in the observability ecosystem alongside tools like Prometheus, Jaeger, and Grafana, and is positioned as an open alternative to Datadog.
read the full SigNoz overview →
About amplify-js
AWS Amplify is a declarative JavaScript library for frontend and mobile developers who build cloud enabled applications. It lives in the JavaScript and TypeScript ecosystem, published on npm as the aws amplify package under the Apache 2.0 license, and it pairs with any JavaScript based frontend workflow as well as React Native for mobile developers. The project has been developed for roughly nine years and is maintained by AWS, with its documentation hosted at docs.amplify.aws.
read the full amplify-js overview →
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Frequently asked questions
Is SigNoz or amplify-js more popular?
SigNoz has 32,146 GitHub stars and amplify-js has 9,561. 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 (32,146 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.