Pyrra

Add-on agent to generate and expose cluster-level metrics.

The Prometheus monitoring system and time series database.

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

Highly available Prometheus setup with long term storage capabilities. A CNCF Incubating project.

Prometheus Operator creates/configures/manages Prometheus clusters atop Kubernetes