This package is in active development and has an unstable API

ACC SDK and ACC Shared Memory implementation for Node.js.

Gradual effect, contract, async-safety, and temporal checking for existing TypeScript through comments.

Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js

A Terminal User Interface (TUI) for running multiple local development servers and tools simultaneously

Node.js adapter for Assetto Corsa Competizione Broadcast API

Server Utilities for all Sentry JavaScript SDKs

A simple zero-configuration command-line http server

React package for working with the DOM.

Modern and scalable routing for React applications

Serves a webpack app. Updates the browser on changes.

Types used by the Language server for node

SSH2 client and server modules written in pure JavaScript for node.js

Intelligent context admission control and token optimization for Claude Code, Cursor, and Agentic workflows.

VSCode Language Server Protocol implementation

Modern and scalable routing for React applications

WebSocket protocol handler with pluggable I/O

SockJS-node is a server counterpart of SockJS-client a JavaScript library that provides a WebSocket-like object in the browser. SockJS gives you a coherent, cross-browser, Javascript API which creates a low latency, full duplex, cross-domain communication

Include Flmngr file manager server-side into your Express app or website

Core engine for Apollo GraphQL server