a console object with readline can be hacked for otel logging
Official Fastify OpenTelemetry Instrumentation
Langfuse OpenTelemetry export helpers
Vercel wrapper around OpenTelemetry APIs
[](https://github.com/netlify/primitives/actions) [](https://www.npmjs.com/package/@netlify/otel)
NestJS OpenTelemetry Library
OpenTelemetry observability bridge for Mastra
OpenTelemetry instrumentation for Drizzle ORM
Splunk distribution of Open Telemetry for browser environment.
LogTape OpenTelemetry sink
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.
Distributable builds of [@serverless/aws-lambda-otel-extension](https://github.com/serverless/runtime/tree/main/packages/aws-lambda-otel-extension) package.
Langfuse instrumentation methods based on OpenTelemetry
Core functions and utilities for Langfuse packages
OpenTelemetry telemetry plugin for opencode CLI
Langfuse API client for universal JavaScript environments
An OpenTelemetry compatible library for instrumenting and exporting traces from Cloudflare Workers.
SDK for integrating Braintrust with OpenTelemetry
Phoenix OpenTelemetry tracing SDK for Node.js — register tracing, manual span helpers, and context attributes for LLM observability
Opentelemetry utility methods
Internal SDK for OTel instrumentation
NodeJS module which adds the traceparent header to the unsignable headers in the aws-sdk.
Tiny TypeScript helpers for native OpenTelemetry spans and GenAI semantic conventions.
OpenTelemetry instrumentation for Better Auth - Add distributed tracing to your authentication flows with a single line of code
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