Local observability that just works

A single-binary OpenTelemetry stack for local development. Collect traces, metrics, and logs with zero infrastructure.

Up and running in seconds

No containers. No config files. Just one binary.

terminal

# Install faunus
$ curl -fsSL https://faunus.dev/install.sh | sh

# Start collecting telemetry
$ faunus start
Faunus v0.1.0 listening on :4318 (OTLP)
Dashboard available at http://localhost:4319

Everything you need, nothing you don't

Faunus replaces your entire local observability stack with a single command.

Single Binary

No Docker, no Kubernetes, no dependencies. Download one binary and you're done.

OpenTelemetry Native

Accepts OTLP over gRPC and HTTP. Traces, metrics, and logs — all in one place.

Local-First

Your data stays on your machine. No cloud accounts, no API keys, no data leaving your network.

Built-in Dashboard

Browse traces, metrics, and logs from a simple and powerful local web UI.