Prometheus
Open-source metrics monitoring and alerting toolkit
Visit prometheus.io FreeOpen source
Prometheus is a CNCF-graduated monitoring system that scrapes metrics from instrumented services, stores them as time series, and evaluates alerting rules. Its PromQL query language and exporter ecosystem make it the standard metrics backend for Kubernetes and cloud-native systems.
Key features
- Pull-based metrics collection
- PromQL query language
- Alerting rules with Alertmanager
- Service discovery for Kubernetes and clouds
- Large ecosystem of exporters
Similar tools
Grafana Cloud
Hosted Grafana with metrics, logs, traces, and profiles
OpenTelemetry
Vendor-neutral APIs, SDKs, and Collector for traces, metrics, and logs
Datadog
Monitoring, APM, and log management platform for cloud applications
Honeycomb
Event-based observability for querying high-cardinality telemetry
Sentry
Error tracking and performance monitoring for applications
Axiom
Managed event store for logs, traces, and other machine data
