head to head · open source
SigNoz vs jaeger
SigNoz has 32,509 GitHub stars, 2,573 forks, 1,557 open issues and last shipped yesterday. jaeger has 23,366 stars, 3,220 forks, 547 open issues and last shipped yesterday. SigNoz leads on adoption by 39% (32,509 vs 23,366 stars). SigNoz is written in TypeScript under a custom or non-standard licence; jaeger is written in Go under Apache-2.0. SigNoz has attracted 8% as many forks as stars, jaeger 14%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (distributed-tracing, jaeger, 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 | jaeger | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 23K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.6K | ⑂ 3.2K |
| 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 jaeger if
- You want the jaeger 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 jaeger 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 jaeger
[![Slack chat][slack img]]( get in touch) [![Unit Tests][ci img]][ci] [![Coverage Status][cov img]][cov] [![Project+Community stats][community badge]][community stats] [![FOSSA Status][fossa img]][fossa] [![OpenSSF Scorecard][openssf img]][openssf] [![OpenSSF Best Practices][openssf bp img]][openssf bp] [![CLOMonitor][clomonitor img]][clomonitor] [![Artifact Hub][artifacthub img]][artifacthub] Jaeger a Distributed Tracing System 💥💥💥 Jaeger v2 is out! Read the blog post and try it out. Quick Start Get Jaeger running in seconds with Docker: For production deployments and more options, see the Getting Started…
read the full jaeger overview →
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Frequently asked questions
Is SigNoz or jaeger more popular?
SigNoz has 32,509 GitHub stars and jaeger has 23,366. SigNoz has the larger community by that measure.
Are SigNoz and jaeger free?
Both are open source. SigNoz has no licence declared in this registry, and jaeger is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and jaeger?
SigNoz is written in TypeScript and jaeger 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 jaeger?
Choose SigNoz if you want the larger community (32,509 stars) or its Custom / other licence terms. Choose jaeger if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.