OpenTelemetry instrumentation for Better Auth - Add distributed tracing to your authentication flows with a single line of code

An OpenTelemetry compatible library for instrumenting and exporting traces from Cloudflare Workers.

DX-focused OpenTelemetry wrapper for Bun and Node.js: one-call traces, logs, metrics, fetch instrumentation, and PII scrubbing.

LogTape OpenTelemetry sink

Session recorder for Splunk Observability

Tiny TypeScript helpers for native OpenTelemetry spans and GenAI semantic conventions.

OpenTelemetry observability exporter for Mastra - supports OTLP traces and logs with multiple cloud providers

The Splunk distribution of OpenTelemetry Node Instrumentation provides a Node agent that automatically instruments your Node application to capture and report distributed traces to Splunk APM.

OpenTelemetry integration for the LaunchDarkly Server-Side SDK for Node.js

OpenTelemetry telemetry plugin for opencode CLI

OpenTelemetry Tracing

OpenTelemetry middleware for Hono

OpenTelemetry observability bridge for Mastra

LEGACY Langfuse v3 SDK for Node.js < 18 (maintenance mode). For new projects use the current Langfuse JS/TS SDK: npm install @langfuse/tracing @langfuse/otel @langfuse/client

OpenTelemetry Jaeger propagator provides HTTP header propagation for systems that are using Jaeger HTTP header format.

Official Sentry utilities for OpenTelemetry

OpenTelemetry mapping and OTLP JSON transport for loggerjs.

Internal SDK for OTel instrumentation

central configuration for Phoenix

Aient wrapper around OpenTelemetry APIs