head to head · open source
SigNoz vs resilience4j
SigNoz has 32,528 GitHub stars, 2,575 forks, 1,557 open issues and last shipped yesterday. resilience4j has 10,800 stars, 1,538 forks, 306 open issues and last shipped 6 days ago. SigNoz leads on adoption by 201% (32,528 vs 10,800 stars). SigNoz is written in TypeScript under a custom or non-standard licence; resilience4j is written in Java under Apache-2.0. SigNoz has attracted 8% as many forks as stars, resilience4j 14%. 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 | resilience4j | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 11K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-11-04 | 2026-10-30 |
| Forks | ⑂ 2.6K | ⑂ 1.5K |
| 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 resilience4j if
- You want the resilience4j 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 resilience4j 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 resilience4j
= Fault tolerance library designed for functional programming :author: Robert Winkler and Bohdan Storozhuk :icons: :toc: macro :numbered: 1 ifdef::env github[] :tip caption: :bulb: :note caption: :information source: :important caption: :heavy exclamation mark: :caution caption: :fire: :warning caption: :warning: endif::[] image: Status"] image: image: image: License 2", link=" image: link=" image: link=" image: link=" image: link=" image: link=" image: link=" image: toc::[] == Introduction Resilience4j is a lightweight fault tolerance library designed for functional programming. Resilience4j provides higher…
read the full resilience4j overview →
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Frequently asked questions
Is SigNoz or resilience4j more popular?
SigNoz has 32,528 GitHub stars and resilience4j has 10,800. SigNoz has the larger community by that measure.
Are SigNoz and resilience4j free?
Both are open source. SigNoz has no licence declared in this registry, and resilience4j is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and resilience4j?
SigNoz is written in TypeScript and resilience4j 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 resilience4j?
Choose SigNoz if you want the larger community (32,528 stars) or its Custom / other licence terms. Choose resilience4j if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.