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, multi-protocol gateway for event-driven applications and AI agents. Expose and govern Kafka, MQTT, APIs, and MCP through one high-performance engine with shared routing, security, schema, 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.
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.