There are 4 repositories under server-sent-events topic.
:tophat: Small self-contained pure-Go web server with Lua, Markdown, HTTP/2, QUIC, Redis and PostgreSQL support
Corvusoft's Restbed framework brings asynchronous RESTful functionality to C++14 applications.
Swell: API development tool that enables developers to test endpoints served over streaming technologies including Server-Sent Events (SSE), WebSockets, HTTP2, GraphQL, and gRPC.
EventSource client for Node.js and Browser (polyfill)
Create low-latency, interactive user experiences for stateless microservices.
SapphireDb Server, a self-hosted, easy to use realtime database for Asp.Net Core and EF Core
The Mercure Component allows to easily push updates to web browsers and other HTTP clients using the Mercure protocol.
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.
A microframework to build web apps; with handler chaining, middleware support, and most of all; standard library compliant HTTP handlers(i.e. http.HandlerFunc).
Azure SignalR Service SDK for .NET
The MercureBundle allows to easily push updates to web browsers and other HTTP clients in the Symfony full-stack framework, using the Mercure protocol.
A simple chat app created to experiment with Redis, Gevent, Flask & Server-Sent Events.
🔥 React hooks for Socket.io, SSE, WebSockets and more to come
Lib.AspNetCore.ServerSentEvents is a library which provides Server-Sent Events (SSE) support for ASP.NET Core
Zero-dependency, HTTP/1 safe, simple, GraphQL over Server-Sent Events Protocol server and client.
It's an easy-to-use, object-orienlated library for Server-Sent Events
Server-sent events support for aiohttp
'Server-Sent Events (SSE) in Spring 5 with Web MVC and Web Flux' article and source code.
Server-Sent Events for Go
A better API for making Event Source requests, with all the features of fetch()
Pure-Python Server Side Events (SSE) client
AMPLIFY Streams Javascript package containing SDK, documentation and sample applications
Server-sent events (SSE) client implementation for Java, based on OkHttp: http://javadoc.io/doc/com.launchdarkly/okhttp-eventsource