Websockets Open Source Projects

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀

</> htmx - high power tools for HTML

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

The fastest HTTP/2 Go Web Framework. New, modern and easy to learn. Fast development with Code you control. Unbeatable cost-performance ratio :rocket:

Package gorilla/websocket is a fast, well-tested and widely used WebSocket implementation for Go.

Actix Web is a powerful, pragmatic, and extremely fast web framework for Rust.

Open-source IoT Platform - Device management, data collection, processing and visualization.

Simple, secure & standards compliant web server for the most demanding of applications

Turn any program that uses STDIN/STDOUT into a WebSocket server. Like inetd, but for WebSockets.

Node.js based forum software built for the modern web

VNC client web application

Server-side Swift. The Perfect core toolset and framework for Swift Developers. (For mobile back-end development, website and API development, and more…)

The little ASGI framework that shines. 🌟

Share your terminal over the web

PairDrop: Transfer Files Cross-Platform. No Setup, No Signup.

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.

Browser-based frontend to gdb (gnu debugger). Add breakpoints, view the stack, visualize data structures, and more in C, C++, Go, Rust, and Fortran. Run gdbgui from the terminal and a new tab will open in your browser.

μWebSockets for Node.js back-ends :metal:

Websockets in swift for iOS and OSX

Command-line client for WebSockets, like netcat (or curl) for ws:// with advanced socat-like functions

WebSocket emulation - Javascript client

The C++ REST SDK is a Microsoft project for cloud-based client-server communication in native code using a modern asynchronous C++ API design. This project aims to help C++ developers connect to and interact with services.

Broadcast, Presence, and Postgres Changes via WebSockets

Small, fast, modern HTTP server for Erlang/OTP.

Binance Exchange API python implementation for automated trading

⚔ Multiplayer Framework for Node.js

v2ray/xray多用户管理部署程序

Asynchronous WebSocket server

Highly scalable realtime pub/sub and RPC framework

handling 1M websockets connections in Go

Library for building WebSocket servers and clients in Python

PartyKit simplifies developing multiplayer applications

Next-gen, Pusher-compatible, open-source WebSockets server. Simple, fast, and resilient. 📣

Fast, asynchronous and elegant Python web framework.

canonical libwebsockets.org networking library

The AsyncAPI specification allows you to create machine-readable definitions of your asynchronous APIs.

An IoT Solution,Blinker library for embedded hardware. Works with Arduino R4, ESP32.

:seedling: Web based ssh client

Websockets for Laravel. Done right.

HTTP and WebSocket built on Boost.Asio in C++11

A GraphQL library for Python that leverages type annotations 🍓

HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH.

Realtime infrastructure for multiplayer apps and agents

Websockify is a WebSocket to TCP proxy/bridge. This allows a browser to connect to any application/server/service.

Node.js framework

Eclipse Jetty® - Web Container & Clients - supports HTTP/3, HTTP/2, HTTP/1, websocket, servlets, and more

Slack Developer Kit for Python

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

Real-time transport layer for Java AI agents. Build once with @Agent — deliver over WebSocket, SSE, gRPC, and WebTransport/HTTP3. Talk MCP, A2A and AG-UI.

WebSocket client for Python

:desktop_computer: Simple and powerful server for Node.js

:two_hearts: build SSM from 0 👉🏽👉🏽 distributed micro service.

Slack Developer Kit for Node.js

A full-stack, syncing database that runs on both server and client. Pluggable storage (indexeddb, sqlite, durable objects), syncs over websockets, and works with your favorite framework (React, Solid, Vue, Svelte).

A framework to build Slack apps using JavaScript

Docker image with Uvicorn managed by Gunicorn for high-performance FastAPI web applications in Python with performance auto-tuning.

Cryptocurrency Exchange Websocket Data Feed Handler

Asynchronous streaming communication for Clojure - web server, web client, and raw TCP/UDP

Simple, high-performance event-driven HTTP client+server for Clojure