head to head · open source
Grafana vs resilience4j
Grafana has 76,791 GitHub stars, 14,749 forks, 3,326 open issues and last shipped yesterday. resilience4j has 10,763 stars, 1,501 forks, 306 open issues and last shipped 18 days ago. Grafana leads on adoption by 613% (76,791 vs 10,763 stars). Grafana is written in TypeScript under AGPL-3.0; resilience4j is written in Java under Apache-2.0. Grafana has attracted 19% as many forks as stars, resilience4j 14%. Grafana 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
| Grafana | resilience4j | |
|---|---|---|
| GitHub stars | ★ 77K | ★ 11K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-09-17 | 2026-08-31 |
| Forks | ⑂ 15K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Grafana if
- You weight community size — 77K stars and counting
- You want the AGPL-3.0 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 Grafana
Grafana is an open source observability platform for visualizing metrics, logs, and traces across diverse data sources. It runs in the infrastructure and operations ecosystem, designed for teams needing unified visibility into system behavior without vendor lock in. Built with TypeScript and Go, it provides a composable architecture that integrates with existing toolchains.
read the full Grafana overview →
About resilience4j
Resilience4j is a lightweight fault tolerance library for Java, designed around functional programming. It lives in the Java ecosystem and is distributed under the Apache 2.0 license. The library provides higher order functions, called decorators, that enhance any functional interface, lambda expression or method reference with a Circuit Breaker, Rate Limiter, Retry or Bulkhead. Version 3 of the library requires Java 21, while the project originated as a library for Java 8. The repository has been active for roughly eleven years and carries 10,760 stars, 1,499 forks and 306 open issues.
read the full resilience4j overview →
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Frequently asked questions
Is Grafana or resilience4j more popular?
Grafana has 76,791 GitHub stars and resilience4j has 10,763. Grafana has the larger community by that measure.
Are Grafana and resilience4j free?
Both are open source. Grafana is licensed under AGPL-3.0 and resilience4j under Apache-2.0. Neither carries a licence fee.
What is the difference between Grafana and resilience4j?
Grafana 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, Grafana or resilience4j?
Choose Grafana if you want the larger community (76,791 stars) or its AGPL-3.0 licence terms. Choose resilience4j if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.