XMLHttpRequest for Node
Node's event emitter for all engines.
REST API server for AgenticMail — email, SMS, and phone call-control endpoints for AI agents
ONNXRuntime JavaScript API library
Public logs API for OpenTelemetry
Salesforce API Library for JavaScript
Telegram Bot API
unist utility to check if a node passes a test
Node.js library that communicates with Embedded Dart Sass using the Embedded Sass protocol
HTTP proxying for the masses
Regular Expressions parser in JavaScript

CSS language support for the CodeMirror code editor
The Adyen API Library for NodeJS enables you to work with Adyen APIs.
Cloud Tasks API client for Node.js
A Twilio helper library
gmail-node-mailer is a Node.js library for easy email sending via the Gmail API, featuring quick setup, HTML/plain text support, dynamic configuration for streamlined email integration, and now with support for attachments.
A light-weight module that brings Fetch API to node.js
Simple and fast NodeJS internal caching. Node internal in memory cache like memcached.
MCP server for Google Workspace with progressive context disclosure and multi-account orchestration
OpenTelemetry instrumentation for `pino` logger
Intercept imports in Node.js
Get raw git commits out of your repository using git-log(1).
Resolve things like Node.js — ponyfill for `import.meta.resolve`