PartyKit Has a Free Real-Time Collaboration Platform — Build Multiplayer Apps Without Infrastructure

PartyKit Has a Free Real-Time Collaboration Platform Building real-time features — collaborative editing, live cursors, multiplayer games — usually means WebSocket servers, Redis pub/sub, and connection management. PartyKit handles all of it. What PartyKit Does PartyKit gives you stateful, real-time servers that run at the edge on Cloudflare Workers: WebSocket servers with persistent state per room Edge deployment — runs close to users globally Hibernation — servers sleep when idle, wake on connection Built-in storage — durable state without external databases Y.js and CRDT support — collaborative editing out of the box Quick Start npx create-partykit-app my-app cd my-app # Your server (server.ts) export default class MyParty { connections = new Set () ; onConnect ( conn ) { this.connections.add ( conn ) ; conn.send ( JSON.stringify ({ type : "welcome" , users : this.connections.size })) ; } onMessage ( message, sender ) { // Broadcast to all other connections for ( const conn of this.