head to head · open source
OpenObserve vs amplify-js
OpenObserve has 22,027 GitHub stars, 1,098 forks, 598 open issues and last shipped today. amplify-js has 9,561 stars, 2,174 forks, 512 open issues and last shipped 2 days ago. OpenObserve leads on adoption by 130% (22,027 vs 9,561 stars). OpenObserve is written in TypeScript under AGPL-3.0; amplify-js is written in TypeScript under Apache-2.0. OpenObserve has attracted 5% as many forks as stars, amplify-js 23%. OpenObserve was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (analytics, 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
| OpenObserve | amplify-js | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 9.6K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-20 | 2026-09-18 |
| Forks | ⑂ 1.1K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenObserve if
- You weight community size — 22K stars and counting
- You want the AGPL-3.0 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 OpenObserve
OpenObserve is an open source observability platform for logs, metrics, traces, analytics, Real User Monitoring, session replay, pipelines, SLO, and LLM observability. It lives in the cloud native infrastructure ecosystem and is described as an alternative to Datadog, Splunk, and Elasticsearch. The project is built in Rust, ships as a single binary, and uses Parquet columnar storage with an S3 native design.
read the full OpenObserve 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 OpenObserve or amplify-js more popular?
OpenObserve has 22,027 GitHub stars and amplify-js has 9,561. OpenObserve has the larger community by that measure.
Are OpenObserve and amplify-js free?
Both are open source. OpenObserve is licensed under AGPL-3.0 and amplify-js under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenObserve and amplify-js?
OpenObserve 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, OpenObserve or amplify-js?
Choose OpenObserve if you want the larger community (22,027 stars) or its AGPL-3.0 licence terms. Choose amplify-js if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.