head to head · open source
SigNoz vs OpenObserve
SigNoz has 32,509 GitHub stars, 2,573 forks, 1,557 open issues and last shipped yesterday. OpenObserve has 22,699 stars, 1,174 forks, 598 open issues and last shipped yesterday. SigNoz leads on adoption by 43% (32,509 vs 22,699 stars). SigNoz is written in TypeScript under a custom or non-standard licence; OpenObserve is written in TypeScript under AGPL-3.0. SigNoz has attracted 8% as many forks as stars, OpenObserve 5%. OpenObserve was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (apm, jaeger, logs, 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 | OpenObserve | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 23K |
| License | Custom / other | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.6K | ⑂ 1.2K |
| 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 OpenObserve if
- You want the OpenObserve feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and OpenObserve 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 OpenObserve
Open source Datadog alternative for logs, metrics, traces, and frontend monitoring. Modern observability platform: 10x easier, 140x lower storage cost, high performance, petabyte scale. Cloud · Documentation · Slack · Quickstart OpenObserve (O2) is a cloud native observability platform for logs, metrics, traces, analytics, Real User Monitoring (RUM), and AI/LLM observability. It's a cost effective alternative to Datadog, Splunk, and Elasticsearch for teams that need full observability without the complexity or cost — with Parquet columnar storage and an S3 native design that cuts storage costs by up to 140x…
read the full OpenObserve overview →
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Frequently asked questions
Is SigNoz or OpenObserve more popular?
SigNoz has 32,509 GitHub stars and OpenObserve has 22,699. SigNoz has the larger community by that measure.
Are SigNoz and OpenObserve free?
Both are open source. SigNoz has no licence declared in this registry, and OpenObserve is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between SigNoz and OpenObserve?
SigNoz is written in TypeScript and OpenObserve in TypeScript. 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 OpenObserve?
Choose SigNoz if you want the larger community (32,509 stars) or its Custom / other licence terms. Choose OpenObserve if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.