head to head · open source
jaeger vs opensre
jaeger has 23,223 GitHub stars, 3,122 forks, 547 open issues and last shipped 3 days ago. opensre has 11,150 stars, 1,627 forks, 67 open issues and last shipped yesterday. jaeger leads on adoption by 108% (23,223 vs 11,150 stars). jaeger is written in Go under Apache-2.0; opensre is written in Python under Apache-2.0. jaeger has attracted 13% as many forks as stars, opensre 15%. opensre was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (observability), 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
| jaeger | opensre | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 11K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-09-18 | 2026-09-20 |
| Forks | ⑂ 3.1K | ⑂ 1.6K |
| 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 opensre if
- You want the opensre feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and opensre fits your workflow better
About jaeger
Jaeger is a distributed tracing platform hosted by the Cloud Native Computing Foundation (CNCF), where it graduated as the 7th top level project in October 2019. It was originally created by Uber Technologies and then donated to the CNCF. The project is written in Go and released under the Apache 2.0 license, and it lives in the OpenTelemetry and observability ecosystem: it consumes traces from OpenTelemetry SDKs and reuses components from the OpenTelemetry Collector. Its repository carries topics including cncf, distributed tracing, jaeger, observability, opentelemetry and tracing, and the project is openly gove…
read the full jaeger overview →
About opensre
OpenSRE is an open source Python framework for building AI SRE agents, distributed under the Apache 2.0 license. It lives in the infrastructure and operations ecosystem, specifically the monitoring and observability space, and it describes itself as the toolkit for AI era site reliability engineering. The project is currently at v0.1 and is published as a public alpha, meaning the core workflows are usable for early exploration but are not yet fully stable, and both APIs and integrations may evolve as development continues.
read the full opensre overview →
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Frequently asked questions
Is jaeger or opensre more popular?
jaeger has 23,223 GitHub stars and opensre has 11,150. jaeger has the larger community by that measure.
Are jaeger and opensre free?
Both are open source. jaeger is licensed under Apache-2.0 and opensre under Apache-2.0. Neither carries a licence fee.
What is the difference between jaeger and opensre?
jaeger is written in Go and opensre in Python. 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 opensre?
Choose jaeger if you want the larger community (23,223 stars) or its Apache-2.0 licence terms. Choose opensre if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.