WebSocket Server & Client API
CCMS TypeScript SDK for Web APIs and WebSockets (Express, Web, React Native)
An easy-to-use Discord client
Easily mock your webservices while testing frontends.
Websocket server
Coherent, zero-dependency, lazy, simple, GraphQL over WebSocket Protocol compliant server and client
Colyseus Multiplayer SDK for JavaScript/TypeScript
Ably transport and codecs for building AI applications with Ably.
Harper is a distributed database, caching service, streaming broker, and application development platform focused on performance and ease of use. Harper Pro includes replication, certificate management, profiling.
MCP server for Pusher Channels — trigger events, query channels, and manage realtime messaging from AI agents
Server-side realtime event broadcasting (soketi/firebase) for Arkyc
React hook to open/close a websocket connection when a component mounts/unmounts
Phoenix Framework Channel Payload
A server-side utility that lets you set up a Liveblocks authentication endpoint. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.
Diffusion JavaScript client
Publish & Subscribe Real-time Messaging with PubNub
Multiplayer Framework for Node.js
normalized JS Object and JSON message and event protocol for ES6+ node.js, browsers, electron, vanialla js, react.js, components, actions, stores and dispatchers
A set of functions and utilities to make sending emails based on Liveblocks notification events easy. Liveblocks is the all-in-one toolkit to build collaborative products like Figma, Notion, and more.
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