head to head · open source
jaeger vs openGemini
jaeger has 23,223 GitHub stars, 3,122 forks, 547 open issues and last shipped 2 days ago. openGemini has 1,175 stars, 175 forks, 117 open issues and last shipped 11 days ago. jaeger leads on adoption by 1,876% (23,223 vs 1,175 stars). jaeger is written in Go under Apache-2.0; openGemini is written in Go under Apache-2.0. jaeger has attracted 13% as many forks as stars, openGemini 15%. jaeger 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 | openGemini | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 1.2K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-09-18 | 2026-09-09 |
| Forks | ⑂ 3.1K | ⑂ 175 |
| 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 openGemini if
- You want the openGemini 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 openGemini 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 openGemini
openGemini is a cloud native distributed time series database written in Go and licensed under Apache 2.0, hosted as a CNCF sandbox project and built to store and analyse massive volumes of telemetry data for IoT, observability and DevOps workloads.
read the full openGemini overview →
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Frequently asked questions
Is jaeger or openGemini more popular?
jaeger has 23,223 GitHub stars and openGemini has 1,175. jaeger has the larger community by that measure.
Are jaeger and openGemini free?
Both are open source. jaeger is licensed under Apache-2.0 and openGemini under Apache-2.0. Neither carries a licence fee.
What is the difference between jaeger and openGemini?
jaeger is written in Go and openGemini 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 openGemini?
Choose jaeger if you want the larger community (23,223 stars) or its Apache-2.0 licence terms. Choose openGemini if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.