01/ Grafana + Prometheus
Best for: Metrics, dashboards and alerting.
Runs on: Self-hosted
Visit Grafana + PrometheusWeb Hosting & Cloud · Monitoring and observability
Free alternatives to Datadog
Datadog by Datadog: Monitoring, logs, traces and alerts for servers and apps. Pricing: per-host and usage-based. Here are 3 free options that cover the same job.
| Alternative | Type | Platforms | Best for | |
|---|---|---|---|---|
Grafana + Prometheus | Open source | Self-hosted | Metrics, dashboards and alerting | Get it |
 SigNoz | Open source | Self-hosted, Web | Logs, metrics and traces in one tool (OpenTelemetry) | Get it |
Uptime Kuma | Open source | Self-hosted | Simple uptime monitoring and status pages | Get it |
DatadogThe paid original | Per-host and usage-based | – | Monitoring and observability | Visit |
The alternatives in detail
Open source
02/ SigNoz
Best for: Logs, metrics and traces in one tool (OpenTelemetry).
Runs on: Self-hosted, Web
Visit SigNoz03/ Uptime Kuma
Best for: Simple uptime monitoring and status pages.
Runs on: Self-hosted
Visit Uptime KumaFrequently asked questions
Is there a free alternative to Datadog?
Yes. Grafana + Prometheus is a strong free option for metrics, dashboards and alerting. Other choices include SigNoz, Uptime Kuma.
Which Datadog alternative is open source?
Grafana + Prometheus, SigNoz, Uptime Kuma are open source.