Metrics, Tracing & APM Packages
Metrics, distributed tracing, and application-performance monitoring libraries for understanding production behavior at scale (OpenTelemetry, Prometheus).
Packages in Metrics, Tracing & APM
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actix-web-prom
Actix Web middleware that exposes Prometheus metrics for your HTTP handlers.
axum-prometheus
A Tower middleware that instruments Axum applications with Prometheus-ready HTTP request metrics out of the box.
OpenTelemetry GCP Trace Exporter
Export OpenTelemetry spans directly to Google Cloud Trace from your Python services.
ECS Winston Format
A winston log formatter that emits Elastic Common Schema (ECS) structured JSON logs
tracing-logfmt
A logfmt formatter for tracing-subscriber that emits compact key=value structured logs
opentelemetry
OpenTelemetry tracing and HTTP metrics plugin for the Elysia web framework
XHProf
A hierarchical function-level profiler for PHP with a lightweight call-graph UI.
opentelemetry-application-insights
An OpenTelemetry exporter that ships Rust traces, metrics, and logs straight into Azure Application Insights.
json-subscriber
Customizable JSON logging layer and subscriber for Rust's tracing ecosystem
iroh-services
Rust client SDK connecting iroh peer-to-peer endpoints to iroh-services for centralized metrics, naming, and network diagnostics.
@elastic/opentelemetry-node
Elastic's zero-code OpenTelemetry distribution for Node.js, giving production apps tracing, metrics, and logs with a single --import flag.
spacy-loggers
Training-run loggers for spaCy: Weights & Biases, MLflow, ClearML, PyTorch, CuPy
@datadog/native-metrics
A native Node.js addon that collects CPU, V8 heap, garbage-collection, and event-loop metrics directly from libuv and V8 internals.
ecs-typescript
Auto-generated TypeScript type definitions for the Elastic Common Schema (ECS), keeping structured logs, traces, and metrics consistently typed.
statshog
A lightweight Python StatsD client for sending counters, gauges, and timers to StatsD and Telegraf.
telemetry
Define and collect telemetry events and traces from Sanity CLI, Studio, and other TypeScript apps.
Braintrust Python SDK
Official Python SDK for logging, tracing, and evaluating AI applications with Braintrust
