Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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OpenTelemetry JavaScript (@opentelemetry/api)
Vendor-neutral tracing, metrics, and context API that libraries and apps instrument once, so any OpenTelemetry-compatible backend can consume it.
pyparsing
Build recursive-descent parsers in Python without a separate grammar file
nom
A byte-oriented, zero-copy parser combinators library for Rust
metrics
A lightweight, protocol-agnostic metrics facade for Rust, decoupling instrumentation from whatever exporter you plug in.
OpenInference Core
Shared OpenTelemetry tracing foundation for instrumenting LLM applications with OpenInference semantic conventions
OpenInference Google ADK Instrumentation
Auto-instrument Google ADK agents with OpenTelemetry-compatible tracing
OpenInference MCP Instrumentation
OpenTelemetry auto-instrumentation for the Model Context Protocol (MCP) Python SDK that propagates trace context across tool calls.
ApplicationInsights-node.js
Microsoft's OpenTelemetry-based SDK for instrumenting Node.js services with distributed tracing, metrics, logs, and exception telemetry sent to Azure Monitor.
@elastic/opentelemetry-node
Elastic's zero-code OpenTelemetry distribution for Node.js, giving production apps tracing, metrics, and logs with a single --import flag.