Servactory instrumentation for the OpenTelemetry framework

Helper for the 'opentelemetry-ruby'.

Add Sentry-like developer experience (breadcrumbs, user context, tags, fingerprinting) to any OpenTelemetry backend

Subscribes to Rails instrumentation events and records OpenTelemetry metrics, pushing them via OTLP. Works standalone or alongside an existing OpenTelemetry SDK setup.

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Instruments outgoing HTTP requests, exports spans to PingOps backend via OTLP, and supports manual tracing with custom attributes, domain filtering, and header redaction.

A lightweight reactive microservice framework.

Prosody offers Ruby bindings to the Prosody Kafka client, providing features for message production and consumption, including configurable retry mechanisms, failure handling strategies, and integrated OpenTelemetry support for distributed tracing.

Rails-specific OpenTelemetry enhancements for source location tracking and database instrumentation. Maintained by Last9.

Auto-instruments Rails, Sidekiq, Postgres, OpenAI, and Anthropic.

RSpec matchers for the OpenTelemetry framework

Create traces from RSpec tests using OpenTelemetry or your own tracing library

Sashiko is a small Ruby gem that adds a declarative span DSL on top of OpenTelemetry, plus helpers for keeping trace context attached as work crosses Thread, Fiber, queue, HTTP, and Ractor boundaries. Includes a span-replay mechanism for emitting spans from Ractor workers, optional Faraday and Anthropic adapters, RBS signatures, and a Ruby::Box-aware `tracer:` injection path for multi-tenant observability.

A traces backend for Open Telemetry.