head to head · open source
SigNoz vs Checkmate
SigNoz has 32,146 GitHub stars, 2,497 forks, 1,557 open issues and last shipped today. Checkmate has 10,857 stars, 1,206 forks, 114 open issues and last shipped yesterday. SigNoz leads on adoption by 196% (32,146 vs 10,857 stars). SigNoz is written in TypeScript under a custom or non-standard licence; Checkmate is written in TypeScript under AGPL-3.0. SigNoz has attracted 8% as many forks as stars, Checkmate 11%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (good-first-issue), 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 | Checkmate | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 11K |
| License | Custom / other | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 2.5K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SigNoz if
- You weight community size — 32K 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 Checkmate if
- You want the Checkmate 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 Checkmate fits your workflow better
About SigNoz
SigNoz is an open source, OpenTelemetry native observability platform for cloud native applications. It unifies logs, metrics, traces, alerts, and dashboards into a single tool, replacing fragmented monitoring stacks with a correlated signal pipeline. It lives in the observability ecosystem alongside tools like Prometheus, Jaeger, and Grafana, and is positioned as an open alternative to Datadog.
read the full SigNoz overview →
About Checkmate
Checkmate is an open source, self hosted monitoring application for infrastructure and observability. It is written in TypeScript and released under the AGPL 3.0 license. The repository contains the frontend and backend, and the project sits in the infrastructure monitoring ecosystem for teams that need to track servers, websites, and hardware status without relying on a hosted only product.
read the full Checkmate overview →
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Frequently asked questions
Is SigNoz or Checkmate more popular?
SigNoz has 32,146 GitHub stars and Checkmate has 10,857. SigNoz has the larger community by that measure.
Are SigNoz and Checkmate free?
Both are open source. SigNoz has no licence declared in this registry, and Checkmate is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between SigNoz and Checkmate?
SigNoz is written in TypeScript and Checkmate 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 Checkmate?
Choose SigNoz if you want the larger community (32,146 stars) or its Custom / other licence terms. Choose Checkmate if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.