Monitoring and error tracking

12-month change compares the average of the last 4 weeks of downloads with the first 4 weeks of the 52-week series. Gzip size is for the whole package, as measured by Bundlephobia. "-" means the value has not been fetched.

• strapi-prometheusA powerful Strapi plugin that adds comprehensive Prometheus metrics to monitor your API performance, system resources, and application behavior using prom-client.
• @walkeros/web-source-browserBrowser DOM source for walkerOS
• error-class-utilsProperly create error classes
• error-custom-classCreate custom error classes
• @scope3/observability-jsUnified observability (Sentry, OpenTelemetry, Pyroscope) for Node.js services
• @helicone/helpersA Node.js wrapper for some of Helicone's common functionalities
• koa-requestidA middleware that adds a request id to a koa application
• @brizz/sdkOpenTelemetry-based observability SDK for AI applications
• @playwright-opentelemetry/trace-apiH3-based API library for storing and serving Playwright OpenTelemetry traces in S3-compatible storage.
• karma-benchmarkRun Benchmark.js over multiple Browsers, with CI compatible output
• merge-error-causeMerge an error with its inner cause
• @getworkbench/nextNext.js App Router adapter for Workbench — modern BullMQ dashboard with broader framework coverage than bull-board.
• set-error-propsProperly update an error's properties
• wrap-error-messageProperly wrap an error's message
• winston-log2gelfWinston GELF transport to Graylog or Gelf server via TCP or HTTP (TLS and HTTPS ready)
• @getworkbench/expressExpress adapter for Workbench — modern BullMQ dashboard, drop-in alternative to `@bull-board/express`.
• @isaacs/express-prometheus-middlewareRED/USE metrics for express applications (forked to remove vulnerable optional deps)
• @glidemq/dashboardWeb dashboard for glide-mq - queue monitoring, management, and AI observability
• langfuse-nodeLEGACY Langfuse v3 SDK for Node.js < 18 (maintenance mode). For new projects use the current Langfuse JS/TS SDK: npm install @langfuse/tracing @langfuse/otel @langfuse/client
• trackjs-nodeTrackJS Error Tracking agent for NodeJS
• @pydantic/logfire-cf-workersCloudflare workers integration for Logfire - https://pydantic.dev/logfire
• @sigyn/patternLoki pattern in JavaScript
• keen-trackingTrack events - custom user actions, clicks, pageviews, purchases.
• @nestjs-redis/health-indicatorA comprehensive Redis health indicator for NestJS applications using the Terminus health check library
• raven-for-reduxMiddleware for propagating Redux state/actions to Sentry via Raven.
• apitallySimple API monitoring & analytics for REST APIs built with Express, Fastify, NestJS, AdonisJS, Hono, H3, Elysia, Hapi, and Koa.
• redux-catchError catcher middleware for Redux reducers and sync middlewares
• axeAxe is a logger-agnostic wrapper that normalizes logs regardless of argument style. Great for large development teams, old and new projects, and works with Pino, Bunyan, Winston, console, and more. It is lightweight, performant, highly-configurable, and a
• @honeybadger-io/vueHoneybadger Vue.js client
• @christiangalsterer/mongodb-driver-prometheus-exporterPrometheus exporter to monitor the MongoDB Node.js driver
• set-error-stackProperly update an error's stack
• @twin.org/telemetry-modelsShared telemetry models for connectors and services.
• @theholocron/holocron-plugin-sentryHolocron plugin for Sentry. Implements the errors capability against Sentry's management API — project provisioning and DSN retrieval.
• @openstatus/reactCreate an account on [openstatus.dev](https://openstatus.dev), start monitoring your endpoints and include your own StatusWidget into your React Application.
• atatus-spaAtatus Real User Monitoring and error tracking for single page applications
• @socket.io/pm2Production process manager for Node.JS applications with a built-in load balancer.
• babel-plugin-catch-loggerA babel plugin that automatically reports errors in your program
• @focus-reactive/payload-plugin-comments[](https://www.npmjs.com/package/@focus-reactive/payload-plugin-comments)
• @clipboard-health/playwright-reporter-llmPlaywright reporter that outputs structured JSON for LLM agents. Minimal console output, flat schema, easy to filter to failures.
• @arms/rum-electronARMS RUM SDK for Electron – real user monitoring for main & renderer processes
• @micro-sentry/browser[](https://npmjs.com/package/@micro-sentry/angular)
• bpmn-visualizationA TypeScript library for visualizing process execution data on BPMN diagrams
• @micro-sentry/core[](https://npmjs.com/package/@micro-sentry/angular)
• agentfootprintThe explainable agent framework — backtrack a wrong answer to the exact context that caused it (evidence, not guesses). Built on footprintjs.
• @theholocron/observabilityLogging, error tracking, and analytics — one interface, swappable backends.
• solarwinds-apmOpenTelemetry-based SolarWinds APM library
• express-hot-shotsStatsd route monitoring middleware for connect/express
• epsagonEpsagon Instrumentation for Node.js
• @okfetch/otelAn OpenTelemetry tracing plugin for okfetch request lifecycles.
• @mollitia/prometheusPrometheus Mollitia Addon

• rollbar vs evlog