head to head · open source
Apache SkyWalking vs jupiter
Apache SkyWalking has 24,958 GitHub stars, 6,633 forks, 41 open issues and last shipped 3 days ago. jupiter has 4,566 stars, 708 forks, 16 open issues and last shipped 3 days ago. Apache SkyWalking leads on adoption by 447% (24,958 vs 4,566 stars). Apache SkyWalking is written in Java under Apache-2.0; jupiter is written in Go under Apache-2.0. Apache SkyWalking has attracted 27% as many forks as stars, jupiter 16%. jupiter 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 | jupiter | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 4.6K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 6.6K | ⑂ 708 |
| 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 jupiter if
- You want the jupiter feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and jupiter fits your workflow better
About Apache SkyWalking
Apache SkyWalking is an open source application performance monitoring (APM) system for distributed systems in cloud native architectures, built for teams that run microservices across Kubernetes and container based environments.
read the full Apache SkyWalking overview →
About jupiter
Jupiter is an Apache 2.0 governance oriented microservice framework written in Go that is used in production at Douyu, aimed at Go teams that want configuration, service discovery, metrics, tracing and RPC handled by the framework instead of by glue code in every service.
read the full jupiter overview →
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Frequently asked questions
Is Apache SkyWalking or jupiter more popular?
Apache SkyWalking has 24,958 GitHub stars and jupiter has 4,566. Apache SkyWalking has the larger community by that measure.
Are Apache SkyWalking and jupiter free?
Both are open source. Apache SkyWalking is licensed under Apache-2.0 and jupiter under Apache-2.0. Neither carries a licence fee.
What is the difference between Apache SkyWalking and jupiter?
Apache SkyWalking is written in Java and jupiter in Go. 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 jupiter?
Choose Apache SkyWalking if you want the larger community (24,958 stars) or its Apache-2.0 licence terms. Choose jupiter if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.