head to head · open source
Apache SkyWalking vs amplify-js
Apache SkyWalking has 24,988 GitHub stars, 6,632 forks, 41 open issues and last shipped 2 days ago. amplify-js has 9,554 stars, 2,172 forks, 512 open issues and last shipped 2 days ago. Apache SkyWalking leads on adoption by 162% (24,988 vs 9,554 stars). Apache SkyWalking is written in Java under Apache-2.0; amplify-js is written in TypeScript under Apache-2.0. Apache SkyWalking has attracted 27% as many forks as stars, amplify-js 23%. amplify-js 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
| Apache SkyWalking | amplify-js | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 9.6K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | TypeScript |
| Last push | 2026-11-03 | 2026-11-03 |
| Forks | ⑂ 6.6K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Apache SkyWalking if
- You weight community size — 25K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- 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 Apache SkyWalking
Apache SkyWalking ========== SkyWalking : an APM (Application Performance Monitoring) system, especially designed for microservices, cloud native and container based architectures. Abstract SkyWalking is an open source APM system that provides monitoring, tracing and diagnosing capabilities for distributed systems in Cloud Native architectures. Distributed Tracing End to end distributed tracing. Service topology analysis, service centric observability and APIs dashboards. Agents for your stack Java, .Net Core, PHP, NodeJS, Golang, LUA, Rust, C++, Client JavaScript and Python agents with active development and…
read the full Apache SkyWalking 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 Apache SkyWalking or amplify-js more popular?
Apache SkyWalking has 24,988 GitHub stars and amplify-js has 9,554. Apache SkyWalking has the larger community by that measure.
Are Apache SkyWalking and amplify-js free?
Both are open source. Apache SkyWalking is licensed under Apache-2.0 and amplify-js under Apache-2.0. Neither carries a licence fee.
What is the difference between Apache SkyWalking and amplify-js?
Apache SkyWalking is written in Java 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, Apache SkyWalking or amplify-js?
Choose Apache SkyWalking if you want the larger community (24,988 stars) or its Apache-2.0 licence terms. Choose amplify-js if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.