Open-source observability

Fast, cheap, and flexible logs, metrics, and traces.

Caboose is a bring-your-own-cloud observability stack that pairs open connectors, streaming, processing, analytics, and visualization into one cohesive flow—so you keep performance high and costs low.

BYOC friendly ClickHouse + S3-native OpenTelemetry first
Reference architecture
Connectors OpenTelemetry Collectors Logs, metrics and traces from any source
Streaming Kafka High-volume ingestion, fan-out if needed
Processing fluentbit Filter, enrich, transform your observability data
Analytics (hot storage) ClickHouse Blazing-fast analytics
Retention (cold storage) ClickHouse & S3-compatible tier Cost-effective storage for long-term retention
Visualization HyperDX Dashboard Search and visualize all your observability data

Architecture

Everything you need, nothing you don’t.

Stream logs, metrics, and traces through an opinionated pipeline that stays open and portable. Use the components you know while keeping control of your spend with a BYOC model.

Fast

Columnar analytics on ClickHouse with smart hot/cold storage.

  • Local disks for frequent queries
  • S3-compatible cold storage for longer retention
  • Vectorized, low-latency query path

Cheap

Storage-first economics to cut observability bills down.

  • Decouple compute from storage
  • Cold tier keeps retention affordable
  • Simple footprint, minimal moving parts

Flexible

Swap components, deploy in your cloud, stay open.

  • OpenTelemetry native ingest
  • Kafka and fluentbit in the path
  • HyperDX visualization out of the box

Waitlist

Be first to try Caboose.

Share your email and we’ll reach out with early access and updates. No spam—just practical observability without the bloat or enterprise price tag.

  • Open-source, BYOC friendly
  • Built for modern logs, metrics, and traces
  • Designed to be cost-efficient from day one