head to head · open source
SigNoz vs openGemini
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. openGemini has 1,178 stars, 176 forks, 117 open issues and last shipped yesterday. SigNoz leads on adoption by 2,661% (32,525 vs 1,178 stars). SigNoz is written in TypeScript under a custom or non-standard licence; openGemini is written in Go under Apache-2.0. SigNoz has attracted 8% as many forks as stars, openGemini 15%. SigNoz 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
| SigNoz | openGemini | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 1.2K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 2.6K | ⑂ 176 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SigNoz if
- You weight community size — 33K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- 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 SigNoz
中文 · Deutsch · Português SigNoz is an open source observability platform built on OpenTelemetry. We’re building an enterprise grade alternative to fragmented monitoring stacks, with logs, metrics, traces, alerts, and dashboards in one place. Choose how to run SigNoz SigNoz Cloud (Recommended) Fully managed SigNoz with a 30 day free trial, no credit card required, usage based pricing that starts at $49, and regional data hosting. Start free → Enterprise Enterprise Cloud, BYOC, or Enterprise Self Hosted with compliance, support, custom retention, RBAC, ingestion controls, data residency, and region selection…
read the full SigNoz overview →
About openGemini
README English 简体中文 Official Website Docs Contribution Guide RoadMap Performance About openGemini openGemini is a cloud native distributed time series database, focusing on the storage and analysis of massive telemetry data. If you have used openGemini, please let us know and click submit Usage Information openGemini is an sandbox project of the Cloud Native Computing Foundation (CNCF). Please consider joining the CNCF if you are an organization that wants to take an active role in supporting the growth and evolution of the cloud native ecosystem. Why openGemini Compared with other time series database…
read the full openGemini overview →
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Frequently asked questions
Is SigNoz or openGemini more popular?
SigNoz has 32,525 GitHub stars and openGemini has 1,178. SigNoz has the larger community by that measure.
Are SigNoz and openGemini free?
Both are open source. SigNoz has no licence declared in this registry, and openGemini is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and openGemini?
SigNoz is written in TypeScript 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, SigNoz or openGemini?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose openGemini if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.