centrifugal

Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably. Set up once and forever.

Real-time messaging library for Go. The simplest way to add feature-rich and scalable WebSocket support to your application. The core of Centrifugo server.

JavaScript client SDK to communicate with Centrifugo and Centrifuge-based server from browser, NodeJS and React Native. Supports WebSocket, HTTP-streaming over Readable Stream API, EventSource, WebTransport and SockJS.

Centrifugo real-time WebSocket SDK for Python on top of asyncio

Source code for Centrifugo grand tutorial – Building WebSocket chat/messenger application from scratch. See the tutorial here - https://centrifugal.dev/docs/tutorial/intro

Swift client to communicate with Centrifugo v1 from iOS over WebSocket (not maintained anymore)