GreptimeTeam / greptimedb

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

parseablehq / parseable

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.

VictoriaMetrics / VictoriaMetrics

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

samber / awesome-prometheus-alerts

🚨 Collection of Prometheus alerting rules

metrico / gigapipe

⭐️ The Open-Source Polyglot Observability Warehouse: Light, Fast, Cloud Native, Drop-in Grafana LGTMP alternative :rocket: Indie All-in-One Opentelemetry, Loki, Prometheus, Tempo, Pyroscope On-Prem Alternative :star:

jacksontj / promxy

An aggregating proxy to enable HA prometheus

NOFireAI / ravel

A distributed OpenTelemetry-native columnar datastore whose only backend is object storage.