promql

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

The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.

Parseable is an open source, unified infrastructure observability platform built in Rust on a data lake architecture. It tracks logs, metrics, traces, and events across apps, agents, and systems, reducing storage costs by up to 90% through columnar telemetry compression.