head to head · open source
SigNoz vs openmessaging-java
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. openmessaging-java has 722 stars, 219 forks, 13 open issues and last shipped 9 months ago. SigNoz leads on adoption by 4,405% (32,525 vs 722 stars). SigNoz is written in TypeScript under a custom or non-standard licence; openmessaging-java is written in Java under Apache-2.0. SigNoz has attracted 8% as many forks as stars, openmessaging-java 30%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (metrics), 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 | openmessaging-java | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 722 |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-11-04 | 2026-01-26 |
| Forks | ⑂ 2.6K | ⑂ 219 |
| 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 openmessaging-java if
- You want the openmessaging-java feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and openmessaging-java 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 openmessaging-java
A vendor neutral open standard for distributed messaging and streaming OpenMessaging, which includes the establishment of industry guidelines and messaging, streaming specifications to provide a common framework for finance, e commerce, IoT and big data area. The design principles are the cloud oriented, simplicity, flexibility, and language independent in distributed heterogeneous environments. Conformance to these specifications will make it possible to develop a heterogeneous messaging applications across all major platforms and operating systems. Doc API Doc.
read the full openmessaging-java overview →
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Frequently asked questions
Is SigNoz or openmessaging-java more popular?
SigNoz has 32,525 GitHub stars and openmessaging-java has 722. SigNoz has the larger community by that measure.
Are SigNoz and openmessaging-java free?
Both are open source. SigNoz has no licence declared in this registry, and openmessaging-java is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and openmessaging-java?
SigNoz is written in TypeScript and openmessaging-java in Java. 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 openmessaging-java?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose openmessaging-java if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.