server-sent-events

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.

🪽 An open, easy, fast, reliable and battery-efficient solution for real-time communications

A proxy server for adding push to your API, used at the core of Fastly's Fanout service

Small self-contained pure-Go web server with Lua, Teal, Markdown, HTTP/2, QUIC, Redis, TypeScript, npm-less React 19, SQLite, and PostgreSQL support ++

API Dash is a beautiful AI-powered open-source cross-platform (Desktop & Mobile) API Client built using Flutter which can help you easily create & customize your HTTP & GraphQL API requests, visually inspect responses and generate API integration code. A lightweight alternative to postman/insomnia.

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

Your high performance web application C framework

Corvusoft's Restbed framework brings asynchronous RESTful functionality to C++ applications.

🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.

Fullstack SaaS Boilerplate built with tRPC, Fastify and React

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

Swell: API development tool that enables developers to test endpoints served over streaming technologies including Server-Sent Events (SSE), WebSockets, HTTP2, GraphQL, gRPC, and tRPC..

⬆ Dead simple, dependency-less, spec-compliant server-sent events implementation written in TypeScript

A flexible Server-Sent Events EventSource polyfill for Javascript

Create low-latency, interactive user experiences for stateless microservices.

Fully featured, spec-compliant HTML5 server-sent events library

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.

Arri RPC is a code-first RPC framework for end-to-end type safety in any language

Zero-dependency, HTTP/1 safe, simple, GraphQL over Server-Sent Events Protocol server and client.

Server Sent Events with SvelteKit