Message Server
Unix datagram socket
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
normalized JS Object and JSON message and event protocol for ES6+ node.js, browsers, electron, vanialla js, react.js, components, actions, stores and dispatchers
Build real-time applications powered by [Durable Objects](https://developers.cloudflare.com/durable-objects/), inspired by [PartyKit](https://www.partykit.io/).
vfile utility to create a virtual message
Internationalization plugin for Vue.js
JSON-RPC 2.0 client and server
OpenFeature SDK for JavaScript
High-level messaging & socket patterns implemented in pure js
Simple pub/sub messaging for the web
Protocol Buffers for JavaScript (& TypeScript).
Standards-compliant WebSocket server and client
Model Context Protocol (MCP) server for Slack Workspaces. This integration supports both Stdio and SSE transports, proxy settings and does not require any permissions or bots being created or approved by Workspace admins
LaunchDarkly Server-Side SDK for Node.js
Abstracts readiness, liveness and startup checks and graceful shutdown of Node.js services running in Kubernetes.
The `@minecraft/server-ui` module contains types for expressing simple dialog-based user experiences.
A small utility for creating warnings and emitting them.
Streaming, source-agnostic EventSource/Server-Sent Events parser
Run MCP stdio servers over SSE, Streamable HTTP or visa versa
Remote procedure call for client-server communication in Vite plugins
Simple SMTP server module to create custom SMTP servers
A really simple message queue based on Redis
Zero dependencies, gracefully terminates HTTP(S) server.