head to head · open source
Apache SkyWalking vs coze-loop
Apache SkyWalking has 24,958 GitHub stars, 6,633 forks, 41 open issues and last shipped 3 days ago. coze-loop has 5,739 stars, 795 forks, 84 open issues and last shipped 2 days ago. Apache SkyWalking leads on adoption by 335% (24,958 vs 5,739 stars). Apache SkyWalking is written in Java under Apache-2.0; coze-loop is written in Go under Apache-2.0. Apache SkyWalking has attracted 27% as many forks as stars, coze-loop 14%. coze-loop was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | coze-loop | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 5.7K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-09-17 | 2026-09-18 |
| Forks | ⑂ 6.6K | ⑂ 795 |
| 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 coze-loop if
- You want the coze-loop 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 coze-loop 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 coze-loop
Coze Loop is a developer oriented, open source, platform level solution for the full lifecycle management of AI agents — covering prompt development, debugging, evaluation, and observability — aimed at developers and teams who build and operate AI agents.
read the full coze-loop overview →
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Frequently asked questions
Is Apache SkyWalking or coze-loop more popular?
Apache SkyWalking has 24,958 GitHub stars and coze-loop has 5,739. Apache SkyWalking has the larger community by that measure.
Are Apache SkyWalking and coze-loop free?
Both are open source. Apache SkyWalking is licensed under Apache-2.0 and coze-loop under Apache-2.0. Neither carries a licence fee.
What is the difference between Apache SkyWalking and coze-loop?
Apache SkyWalking is written in Java and coze-loop 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 coze-loop?
Choose Apache SkyWalking if you want the larger community (24,958 stars) or its Apache-2.0 licence terms. Choose coze-loop if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.