head to head · open source
SigNoz vs Logstash
SigNoz has 32,116 GitHub stars, 2,493 forks, 1,557 open issues and last shipped yesterday. Logstash has 14,944 stars, 3,496 forks, 2,254 open issues and last shipped yesterday. SigNoz leads on adoption by 115% (32,116 vs 14,944 stars). SigNoz is written in TypeScript under a custom or non-standard licence; Logstash is written in Java under a custom or non-standard licence. SigNoz has attracted 8% as many forks as stars, Logstash 23%. SigNoz 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
| SigNoz | Logstash | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 15K |
| License | Custom / other | Custom / other |
| Written in | TypeScript | Java |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.5K | ⑂ 3.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SigNoz if
- You weight community size — 32K 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 Logstash if
- You want the Logstash feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Java
- You evaluated both and Logstash fits your workflow better
About SigNoz
SigNoz is an open source, OpenTelemetry native observability platform for cloud native applications. It unifies logs, metrics, traces, alerts, and dashboards into a single tool, replacing fragmented monitoring stacks with a correlated signal pipeline. It lives in the observability ecosystem alongside tools like Prometheus, Jaeger, and Grafana, and is positioned as an open alternative to Datadog.
read the full SigNoz overview →
About Logstash
Logstash is a server side data processing pipeline that transports and processes logs, events, or other data. It is part of the Elastic Stack with Beats, Elasticsearch, and Kibana, and it sits in the Infrastructure & Operations / Monitoring & Observability category. The project uses Java and JRuby, and its topics describe it as an ETL framework for logging, real time processing, and streaming.
read the full Logstash overview →
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Frequently asked questions
Is SigNoz or Logstash more popular?
SigNoz has 32,116 GitHub stars and Logstash has 14,944. SigNoz has the larger community by that measure.
Are SigNoz and Logstash free?
Neither SigNoz nor Logstash declares a licence in this registry, so check each project's own repository before relying on either for a commercial use. Both are free to self-host.
What is the difference between SigNoz and Logstash?
SigNoz is written in TypeScript and Logstash 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 Logstash?
Choose SigNoz if you want the larger community (32,116 stars) or its Custom / other licence terms. Choose Logstash if its feature set, stack or Custom / other licence fits better. Both are self-hostable.