Beszel vs SigNoz: which one to choose in 2026?
Both are open source alternatives to Datadog, New Relic. We compare license, tech stack and features to help you decide which fits your team best.
| Beszel | SigNoz | |
|---|---|---|
| Category | Monitoring, Logs & Errors | Monitoring, Logs & Errors |
| License | MIT | MIT |
| GitHub stars | ~25k | ~32k |
| Tech stack | Go, SQLite | Go, ClickHouse, OpenTelemetry |
| Replaces | Datadog, New Relic | Datadog, New Relic |
SigNoz has more GitHub stars, which usually indicates a larger community (not necessarily that it's the best option for your use case).
Beszel
Ultra-lightweight server monitor, a single binary, a minimal alternative to Datadog.
Pros
- A single binary with no dependencies, with lightweight agents per monitored server
Things to consider
- No application error tracking, infrastructure only
SigNoz
Unified metrics + traces + logs, an alternative to Datadog/New Relic.
Pros
- The OpenTelemetry standard avoids locking you into a proprietary SDK
Things to consider
- ClickHouse adds operational complexity
Key features
Beszel
- Single binary/container, no dependencies
- Lightweight agents per monitored server
- CPU/RAM/disk/network usage history
SigNoz
- 100% built on OpenTelemetry (open standard)
- Metrics, traces and logs in one dashboard
- Configurable alerts
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