head to head · open source
Grafana vs OpenReplay
Grafana has 76,791 GitHub stars, 14,749 forks, 3,326 open issues and last shipped yesterday. OpenReplay has 12,880 stars, 844 forks, 180 open issues and last shipped yesterday. Grafana leads on adoption by 496% (76,791 vs 12,880 stars). Grafana is written in TypeScript under AGPL-3.0; OpenReplay is written in TypeScript under a custom or non-standard licence. Grafana has attracted 19% as many forks as stars, OpenReplay 7%. Grafana was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (analytics), 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 | OpenReplay | |
|---|---|---|
| GitHub stars | ★ 77K | ★ 13K |
| License | AGPL-3.0 | Custom / other |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 15K | ⑂ 844 |
| 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 OpenReplay if
- You want the OpenReplay feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and OpenReplay 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 OpenReplay
OpenReplay is open source session replay suite. It lives in JavaScript web app monitoring and observability ecosystem. It supports session replay, cobrowsing, product analytics. TypeScript project. GitHub category is Infrastructure & Operations / Monitoring & Observability. Topics include analytics, angular, devtools, feature flags, ios, javascript, nextjs, product analytics, react, react native, real user monitoring, session replay.
read the full OpenReplay overview →
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Frequently asked questions
Is Grafana or OpenReplay more popular?
Grafana has 76,791 GitHub stars and OpenReplay has 12,880. Grafana has the larger community by that measure.
Are Grafana and OpenReplay free?
Both are open source. Grafana is licensed under AGPL-3.0, and OpenReplay has no licence declared in this registry. Both are free to self-host.
What is the difference between Grafana and OpenReplay?
Grafana is written in TypeScript and OpenReplay 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, Grafana or OpenReplay?
Choose Grafana if you want the larger community (76,791 stars) or its AGPL-3.0 licence terms. Choose OpenReplay if its feature set, stack or Custom / other licence fits better. Both are self-hostable.