head to head · open source
jaeger vs coze-loop
jaeger has 23,368 GitHub stars, 3,222 forks, 547 open issues and last shipped 2 days ago. coze-loop has 5,800 stars, 803 forks, 84 open issues and last shipped yesterday. jaeger leads on adoption by 303% (23,368 vs 5,800 stars). jaeger is written in Go under Apache-2.0; coze-loop is written in Go under Apache-2.0. jaeger has attracted 14% 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
| jaeger | coze-loop | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 5.8K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-11-03 | 2026-11-04 |
| Forks | ⑂ 3.2K | ⑂ 803 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick jaeger if
- You weight community size — 23K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- 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 jaeger
[![Slack chat][slack img]]( get in touch) [![Unit Tests][ci img]][ci] [![Coverage Status][cov img]][cov] [![Project+Community stats][community badge]][community stats] [![FOSSA Status][fossa img]][fossa] [![OpenSSF Scorecard][openssf img]][openssf] [![OpenSSF Best Practices][openssf bp img]][openssf bp] [![CLOMonitor][clomonitor img]][clomonitor] [![Artifact Hub][artifacthub img]][artifacthub] Jaeger a Distributed Tracing System 💥💥💥 Jaeger v2 is out! Read the blog post and try it out. Quick Start Get Jaeger running in seconds with Docker: For production deployments and more options, see the Getting Started…
read the full jaeger overview →
About coze-loop
Coze Loop • Feature list • Quick start • Developer guide English 中文 What is Coze Loop Coze Loop is a developer oriented, platform level solution focused on the development and operation of AI agents. It addresses various challenges faced during the AI agent development process, providing full lifecycle management capabilities from development, debugging, evaluation, to monitoring. Based on the commercial version, Coze Loop introduces an open source edition that offers developers free access to core foundational feature modules. By sharing its core technology framework in an open source model, developers can…
read the full coze-loop overview →
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Frequently asked questions
Is jaeger or coze-loop more popular?
jaeger has 23,368 GitHub stars and coze-loop has 5,800. jaeger has the larger community by that measure.
Are jaeger and coze-loop free?
Both are open source. jaeger is licensed under Apache-2.0 and coze-loop under Apache-2.0. Neither carries a licence fee.
What is the difference between jaeger and coze-loop?
jaeger is written in Go 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, jaeger or coze-loop?
Choose jaeger if you want the larger community (23,368 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.