Official Fastify OpenTelemetry Instrumentation
Opentelemetry utility methods
Langfuse OpenTelemetry export helpers
OpenTelemetry observability bridge for Mastra
Vercel wrapper around OpenTelemetry APIs
Langfuse instrumentation methods based on OpenTelemetry
[](https://github.com/netlify/primitives/actions) [](https://www.npmjs.com/package/@netlify/otel)
OpenTelemetry telemetry plugin for opencode CLI
NestJS OpenTelemetry Library
Phoenix OpenTelemetry tracing SDK for Node.js — register tracing, manual span helpers, and context attributes for LLM observability
Make a function mimic another one
HTTP2 client, just with the familiar `https` API
Langfuse integration for OpenAI SDK
OpenTelemetry instrumentation for Drizzle ORM
Splunk distribution of Open Telemetry for browser environment.
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.
Core functions and utilities for Langfuse packages
Distributable builds of [@serverless/aws-lambda-otel-extension](https://github.com/serverless/runtime/tree/main/packages/aws-lambda-otel-extension) package.
LogTape OpenTelemetry sink
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
Elastic Distribution of OpenTelemetry Node.js (EDOT Node.js)
NodeJS module which adds the traceparent header to the unsignable headers in the aws-sdk.