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

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• Updated Nov 11, 2026
• Go

HTML Standard

html canvas storage workers standard whatwg eventsource html-standard

• Updated Nov 12, 2026
• HTML

A better API for making Event Source requests, with all the features of fetch()

server-sent-events eventsource

• Updated Feb 28, 2026
• TypeScript

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.

redis json real-time protobuf authentication websocket messaging scalability pubsub sse http-streaming eventsource

• Updated Nov 11, 2026
• Go

EventSource client for Node.js, browsers and other JavaScript runtimes

sse server-sent-events eventsource

• Updated Nov 8, 2026
• TypeScript

A flexible Server-Sent Events EventSource polyfill for Javascript

javascript sse server-sent-events eventsource sse-client eventsource-implementations

• Updated Oct 18, 2026
• JavaScript

A simple Swift client library for the Server Sent Events (SSE)

swift sse eventsource sse-client

• Updated May 8, 2024
• Swift

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

javascript real-time websocket realtime pubsub javascript-client server-sent-events http-streaming eventsource centrifugo centrifuge webtransport

• Updated Nov 5, 2026
• TypeScript

A simple and efficient library implemented HTML5's server-sent events by PHP, is used to real-time push events from server to client, and easier than Websocket, instead of AJAX request.

events event-stream sse server-sent-events eventsource sever-events

• Updated Mar 4, 2021
• PHP

不使用任何框架，php + html + css + js 原生实现 openai gpt chat 接口对接，实现流式数据传输和接收，附带简洁网页demo。

php event-stream openai eventsource chatgpt

• Updated Jun 14, 2023
• PHP

Event Source implementation for React Native. Server-Sent Events (SSE) for iOS and Android 🚀

android ios typescript react-native sse eventsource event-source

• Updated Jul 1, 2025
• JavaScript

Full Reactive Stack with Spring Boot (WebFlux), MongoDB and Angular

docker angular spring-boot mongodb eventsource webflux mini-book

• Updated Apr 19, 2023
• Java

Server-sent events (SSE) client implementation in Swift for iOS, macOS, tvOS, and watchOS

macos swift ios tvos watchos feature-flags feature-toggles server-sent-events eventsource launchdarkly managed-by-terraform launchdarkly-sdk launchdarkly-sdk-component

• Updated Sep 29, 2026
• Swift

Server-sent events support for aiohttp

aiohttp server-sent-events asyncio eventsource

• Updated Nov 4, 2026
• Python

DDD+CQRS+Event-sourcing examples using EventFlow following CQRS-ES architecture. It is configured with RabbitMQ, MongoDB(Snapshot store), PostgreSQL(Read store), EventStore(GES). It's targeted to .Net Core 2.2 and include docker compose file.

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• Updated Mar 3, 2023
• C#

'Server-Sent Events (SSE) in Spring 5 with Web MVC and Web Flux' article and source code.

sse server-sent-events eventsource sseemitter serversentevent

• Updated Dec 6, 2020
• Java

Server-sent events (SSE) client implementation for Java, based on OkHttp: http://javadoc.io/doc/com.launchdarkly/okhttp-eventsource

java feature-flags feature-toggles okhttp server-sent-events eventsource launchdarkly managed-by-terraform sdk-components launchdarkly-sdk launchdarkly-sdk-component

• Updated Nov 9, 2026
• Java

Making it easier to push pubsub events directly to the browser.

sse nats in-memory eventsource google-cloud-pubsub stream-events

• Updated Aug 2, 2020
• Go

universal server push middleware by using gRPC stream and Server Sent Events(SSE)

go middleware grpc eventsource serverpush grpc-stream

• Updated Aug 15, 2019
• Go

Server-sent events in Swift

client sse server-sent-events eventsource event-source

• Updated Aug 27, 2026
• Swift