OpenTelemetry B3 propagator provides context propagation for systems that are using the B3 header format

OpenTelemetry AWS Xray propagator provides context propagation for systems that are using AWS X-Ray format.

OpenTelemetry AWS Xray propagator provides context propagation for systems that are using AWS X-Ray format.

Sazabi browser observability SDK — semantic event stream capture with W3C trace context propagation

Lightweight context propagation for JavaScript and TypeScript. Create a scoped storage object, run code inside it, and read the active value anywhere down the call stack - without depending on React.

Leave a trace. A modern, runtime-agnostic structured logging library with automatic PII sanitization and context propagation.

Transaction management, UnitOfWork, AsyncLocalStorage context propagation

In-process trace event bus with ring-buffered history and W3C trace-context propagation

Substrate observability library for the Nodii microservice stack — OTel wrapper, log envelope, intent lifecycle, audit signal, agent registry, context propagation. Spec: planning hub docKey=telemetry.

OpenTelemetry environment variable carrier helpers for context propagation

OpenTelemetry instrumentation primitives for the Arc framework — server + browser SDK init, span helpers, PII-safe attribute sanitization, W3C Trace Context propagation

Stratum Node.js SDK for multi-tenant context propagation

A lightweight utility for managing multiple AsyncLocalStorage instances in Node.js, simplifying context propagation.

OpenTelemetry-based tracing for the fusion stack: typed span helpers over the fusion semantic conventions, W3C context propagation, and OTLP export.

TypeORM query-builder and repository extensions: OData-style filtering, relation embedding, sorting (including trigram similarity), pagination, and Postgres row-level-security context propagation.

ABTO JavaScript Server SDK — Gateway routing, provider credentials, and request-scoped context propagation.

Structured logging for RudderJS — channels, levels, formatters, context propagation

Enterprise observability library for logging, metrics, and context propagation

Structured logging module for eDirect NestJS applications. Built on top of [Pino](https://github.com/pinojs/pino), providing high-performance JSON logging with AsyncLocalStorage support for automatic context propagation, file output, and seamless integrat

OpenTelemetry AsyncLocalStorage-based Context Manager