head to head · open source
OpenObserve vs amplify-js
OpenObserve has 22,777 GitHub stars, 1,179 forks, 598 open issues and last shipped yesterday. amplify-js has 9,554 stars, 2,172 forks, 512 open issues and last shipped 2 days ago. OpenObserve leads on adoption by 138% (22,777 vs 9,554 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 | ★ 23K | ★ 9.6K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 1.2K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenObserve if
- You weight community size — 23K 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
Open source Datadog alternative for logs, metrics, traces, and frontend monitoring. Modern observability platform: 10x easier, 140x lower storage cost, high performance, petabyte scale. Cloud · Documentation · Slack · Quickstart OpenObserve (O2) is a cloud native observability platform for logs, metrics, traces, analytics, Real User Monitoring (RUM), and AI/LLM observability. It's a cost effective alternative to Datadog, Splunk, and Elasticsearch for teams that need full observability without the complexity or cost — with Parquet columnar storage and an S3 native design that cuts storage costs by up to 140x…
read the full OpenObserve 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 OpenObserve or amplify-js more popular?
OpenObserve has 22,777 GitHub stars and amplify-js has 9,554. 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 (22,777 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.