Open-source websocket software
1177 open-source libraries, tools and applications tagged websocket, ranked by how closely websocket is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
1177 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Icalingua-plus-plus/Icalingua-plus-plus Icalingua++ is an Electron-based chat client for QQ (and other platforms via adapters), a community-maintained fork of the discontinued Ica… | 98 | 3380 | active |
| slackapi/node-slack-sdk The official Slack Developer Kit for Node.js, a collection of single-purpose TypeScript packages covering Slack's Web API, OAuth flows, Inc… | 91 | 3378 | active |
| Collabora Online Collabora Online is an open-source, self-hosted online office suite for collaborative editing of text documents, spreadsheets, presentation… | 99 | 3366 | active |
| Stoat Stoat is the Rust backend software powering Stoat chat, a self-hostable community chat platform descended from Revolt. It consists of modul… | 97 | 3364 | active |
| DevilXD/TwitchDropsMiner A Python desktop application that AFK-mines timed Twitch drops by simulating stream watching via metadata requests, with automatic drop cla… | 86 | 3353 | active |
| cpaczek/skylight Skylight is a real-time aircraft visualization application that decodes ADS-B signals from an RTL-SDR radio receiver and projects live over… | 59 | 3339 | active |
| cv-cat/DouYin_Spider A Python-based Douyin (Chinese TikTok) reverse-engineering toolkit that exposes the platform's full API surface for data collection, live-s… | 82 | 3331 | active |
| Converse.js Converse.js is a browser-based, fully client-side XMPP/Jabber chat client written in JavaScript. It can run as a standalone web app, a desk… | 89 | 3299 | active |
| lonng/nano Nano is a lightweight, high-performance game server framework written in Go. It provides a component-based networking architecture with bui… | 50 | 3228 | active |
| saghul/txiki.js txiki.js is a tiny JavaScript runtime built on the QuickJS-ng engine and libuv, targeting modern ECMAScript and WinterTC compliance. It shi… | 92 | 3207 | active |
| amalshaji/portr Portr is a self-hosted open-source tunnel solution that exposes local HTTP, TCP, and WebSocket connections to the public internet using SSH… | 93 | 3193 | active |
| freeman-jiang/beatsync Beatsync is a high-precision web audio player that synchronizes playback across multiple devices with millisecond accuracy using NTP-inspir… | 56 | 3183 | active |
| chronoxor/NetCoreServer NetCoreServer is an ultra fast, low latency asynchronous socket server and client library for C# .NET Core. It supports TCP, SSL, UDP, Unix… | 68 | 3128 | stable |
| miroslavpejic85/mirotalksfu MiroTalk SFU is a self-hosted, open-source WebRTC video conferencing platform built on the Mediasoup SFU architecture, positioning itself a… | 77 | 3126 | active |
| aspen-cloud/triplit Triplit is an open-source full-stack syncing database that runs on both server and client, syncing data in real time over websockets with c… | 51 | 3115 | active |
| link1st/gowebsocket A distributed instant messaging (IM) chat system built in Go on top of WebSocket, designed to support up to a million concurrent connection… | 66 | 3106 | active |
| igniterealtime/Openfire Openfire is an open-source (Apache-2.0) real-time collaboration server implementing the XMPP (Jabber) protocol, written in Java. It provide… | 91 | 3073 | stable |
| Nchan Nchan is a scalable pub/sub message server and proxy implemented as an Nginx module, supporting Websocket, EventSource (SSE), long-polling,… | 75 | 3066 | stable |
| audreyt/ethercalc EtherCalc is a web-based spreadsheet server for real-time multi-user collaborative editing, a TypeScript rewrite of the original SocialCalc… | 93 | 3053 | active |
| golang/net golang/net (golang.org/x/net) is the official supplementary networking library for Go, maintained by the Go team. It provides packages beyo… | 77 | 3045 | stable |
| q191201771/lal LAL is an audio/video live streaming broadcast server written in Go, comparable to nginx-rtmp-module but with more features. It supports RT… | 23 | 3027 | active |
| owenashurst/agar.io-clone An open-source clone of the Agar.io browser game built with Node.js, Socket.IO, and HTML5 canvas. Game logic runs server-side while the cli… | 37 | 2972 | active |
| nicolasff/webdis Webdis is a lightweight HTTP server written in C that exposes Redis commands over HTTP with JSON output. It supports JSONP, chunked pub/sub… | 66 | 2963 | active |
| Pycord Pycord is a modern, async-ready Python library that wraps the Discord API, enabling developers to build Discord bots and applications. It p… | 89 | 2956 | active |
| matrix-org/synapse Synapse is the reference Matrix homeserver, an open-source server implementing the Matrix protocol for federated, end-to-end-encrypted comm… | 10 | 12099 | maintenance |
| Binance Public API Connector Libraries A collection of auto-generated Python SDKs for the Binance public APIs, covering spot, futures, options, and other trading services. It pro… | 76 | 2948 | active |
| slackapi/bolt-js Bolt for JavaScript is the official Slack framework for building Slack apps in JavaScript/TypeScript. It provides listener methods for even… | 96 | 2944 | active |
| muaz-khan/WebRTC-Experiment A collection of WebRTC demos, experiments, libraries, and examples including RecordRTC, RTCMultiConnection, DetectRTC, and MultiStreamsMixe… | 32 | 12051 | maintenance |
| LockGit/gochat gochat is a lightweight instant messaging (IM) server written in pure Go, supporting private messages and room broadcast messages with WebS… | 74 | 2934 | active |
| bmoscon/cryptofeed A Python library that consumes real-time market data from dozens of cryptocurrency exchanges over websockets (with REST polling fallback) a… | 94 | 2918 | active |
| Pomelo Game Server Framework Pomelo is a fast, scalable, distributed game server framework for Node.js with a multi-process architecture and plugin-based extensibility.… | 10 | 11862 | maintenance |
| Donkie/Spoolman Spoolman is a self-hosted web service for tracking 3D-printer filament spool inventory and usage. It provides a REST API and web client, an… | 97 | 2899 | active |
| Azure/fetch-event-source A TypeScript library providing a fetch()-based alternative to the browser's native EventSource API for consuming server-sent events. It rem… | 50 | 2884 | stable |
| Vexa-ai/vexa Vexa is an open-source (Apache-2.0) meeting transcription API that dispatches bots to join Google Meet, Microsoft Teams, and Zoom calls and… | 86 | 2864 | active |
| chattocorp/chatto Chatto is a fully-featured, self-hostable team and group chat application written in Go, shipped as a single 50 MB binary with no dependenc… | 77 | 2828 | active |
| openfrontio/OpenFrontIO OpenFront.io is an open-source online real-time strategy (RTS) game focused on territorial control and alliance building, playable in any m… | 85 | 2812 | active |
| node-webrtc node-webrtc is a Node.js native addon (N-API) providing bindings to Google's WebRTC M106 stack. It aims for spec compliance with the WebRTC… | 52 | 2803 | active |
| websockets/wscat wscat is a command-line tool for connecting to WebSocket servers (or acting as a WebSocket server) and interactively sending and receiving … | 37 | 2787 | active |
| dmotz/trystero Trystero is a JavaScript/TypeScript library that adds serverless WebRTC peer discovery and communication to web apps, using BitTorrent, Nos… | 98 | 2781 | active |
| GuDong2003/xianyu-auto-reply-fix A self-hosted Xianyu (Goofish) marketplace customer-service management system built with FastAPI, SQLite, and Playwright. It supports multi… | 77 | 2780 | active |
| billchurch/webssh2 WebSSH2 is a web-based SSH client that proxies browser terminal sessions to SSH servers over WebSockets using ssh2, Socket.IO, and xterm.js… | 97 | 2777 | active |
| reactor/reactor-netty Reactor Netty is a JVM library providing non-blocking, backpressure-ready TCP, HTTP, UDP, and QUIC clients and servers built on the Netty f… | 95 | 2776 | active |
| flawiddsouza/Restfox Restfox is an offline-first, minimalistic HTTP and WebSocket testing client available as a web app (PWA) and desktop application. It suppor… | 77 | 2772 | active |
| YusufB5/ASCILINE ASCILINE is a high-performance ASCII video rendering engine written in Python that converts video pixels into text-based representations. I… | 80 | 2758 | active |
| nbio NBIO is a pure Go non-blocking, event-driven network I/O library supporting TLS, HTTP/1.x, and WebSocket, largely compatible with net/http.… | 95 | 2755 | active |
| xfgryujk/blivechat A YouTube-style live chat overlay for OBS that displays Bilibili livestream comments, gifts, and super chats. It runs as a hosted web servi… | 84 | 2750 | active |
| paullouisageneau/libdatachannel libdatachannel is a standalone C++17 library (with C bindings) implementing WebRTC Data Channels, WebRTC Media Transport, and WebSockets wi… | 87 | 2749 | stable |
| xiaonanln/goworld GoWorld is a scalable distributed game server engine written in Go, featuring spaces and entities with AOI support, hot-swappable game logi… | 43 | 2720 | active |
| GIM GIM is a high-performance instant messaging server written in Go, designed as a set of service components (connect, logic, business) that c… | 76 | 2714 | active |
| excid3/noticed Noticed is a Ruby gem for sending notifications in Ruby on Rails applications across multiple delivery methods like email, SMS, Slack, and … | 98 | 2705 | active |
| Kong/unirest-java Unirest is a lightweight, fluent HTTP client library for Java supporting HTTP/1 and HTTP/2, WebSockets, JSON mapping via Jackson or GSON, a… | 100 | 2703 | active |
| Django Channels Daphne is an HTTP, HTTP/2, and WebSocket protocol server for ASGI applications, built to power Django Channels. It automatically negotiates… | 76 | 2687 | stable |
| Syncplay/syncplay Syncplay is a client/server application that synchronizes media playback position and play state across multiple instances of mpv, VLC, MPC… | 82 | 2684 | active |
| Dezoomify WBO (whitebophir) is a free, open-source online collaborative whiteboard that lets many users draw simultaneously on a large virtual board … | 100 | 2669 | active |
| CNCjs CNCjs is a full-featured web-based interface for CNC milling controllers running Grbl, Grbl-Mega, Marlin, Smoothieware, TinyG, or g2core. I… | 96 | 2651 | stable |
| ZeroBot-Plugin A large collection of practical plugins for the ZeroBot framework implementing the OneBot v11 protocol, written in Go. It powers QQ bots (v… | 76 | 2646 | active |
| tl-open-source/tl-rtc-file A self-hostable web application that uses WebRTC peer-to-peer connections to transfer files, video, screen shares, live streams, and text b… | 23 | 2625 | active |
| nanomq/nanomq NanoMQ is an ultra-lightweight, high-performance MQTT broker and messaging bus written in C for IoT/IIoT edge computing and software-define… | 95 | 2619 | active |
| wee-slack/wee-slack A WeeChat script that provides a native terminal client for Slack, connecting via the Slack API with a persistent websocket for real-time e… | 63 | 2617 | active |
| firecamp-dev/firecamp Firecamp is an open-source, developer-first API development platform for designing, testing, and documenting REST, GraphQL, WebSocket, and … | 48 | 2615 | active |
| zhboner/realm Realm is a simple, high-performance network relay server written in Rust that forwards TCP and UDP traffic between endpoints. It supports z… | 94 | 2612 | active |
| ueberdosis/hocuspocus Hocuspocus is a Yjs CRDT-based WebSocket backend for conflict-free real-time collaboration, written in TypeScript. It provides a server, cl… | 97 | 2611 | active |
| versatica/JsSIP JsSIP is a pure JavaScript SIP (Session Initiation Protocol) library that implements a full SIP user agent for browsers and Node.js. It sup… | 65 | 2608 | stable |
| clj-commons/aleph Aleph is a Clojure library for asynchronous network communication built on Netty, providing an HTTP server and client plus raw TCP and UDP … | 73 | 2592 | active |
| taoshihan1991/goflylivechat GOFLY LIVE CHAT is an open-source, self-hosted customer support live chat system written in Go with a VueJS frontend. It supports real-time… | 47 | 2591 | active |
| Chatterino/chatterino2 Chatterino 2 is a native cross-platform desktop chat client for Twitch.tv, built in C++ with Qt. It extends Twitch web chat with multi-chan… | 87 | 2570 | active |
| NetrisTV/ws-scrcpy A web-based client for scrcpy that streams an Android device's screen to a browser over WebSockets and allows remote control from the brows… | 65 | 2570 | active |
| http-kit http-kit is a minimalist, high-performance, event-driven HTTP client and server for Clojure, fully Ring-compatible as a drop-in replacement… | 63 | 2564 | stable |
| google-gemini/live-api-web-console A React-based starter application for building real-time multimodal experiences with Google's Gemini Live API over WebSockets. It provides … | 58 | 2562 | active |
| sorenisanerd/gotty GoTTY is a Go command line tool that turns any CLI program into a web application by serving it in a browser via a built-in web server. It … | 87 | 2548 | active |
| huilang-me/CF-Server-Monitor A free multi-server monitoring probe system built on Cloudflare Workers, D1, and Durable Objects, with a real-time dashboard, offline alert… | 59 | 2548 | active |
| Autobahn Autobahn|Python is an open-source library implementing the WebSocket protocol and the Web Application Messaging Protocol (WAMP) for Python … | 99 | 2541 | active |
| ntex ntex is a Rust framework for building composable asynchronous network services, supporting HTTP and WebSockets. It is runtime-agnostic, let… | 93 | 2538 | active |
| mqant mqant is a concise, high-performance distributed microservice framework written in Go, originally designed for real-time game servers. It p… | 32 | 2515 | active |
| Lingyan000/fluxdo FluxDO is a cross-platform third-party client for the Linux.do community forum, built with Flutter and featuring a Rust-based DNS-over-HTTP… | 77 | 2507 | active |
| giongto35/cloud-game CloudRetro is an open-source cloud gaming platform for retro games that runs emulated games (via Libretro) on remote servers and streams vi… | 65 | 2482 | active |
| blenderskool/blaze Blaze is a progressive web app for peer-to-peer file sharing between multiple devices using WebTorrent (WebRTC) with WebSockets as a fallba… | 23 | 2476 | active |
| Chatify Chatify is a Laravel package that adds real-time chat to any Laravel application, including direct messages, group conversations, voice not… | 65 | 2430 | active |
| igniterealtime/Smack Smack is an open-source, modular XMPP client library written in pure Java for Java SE JVMs and Android. It lets applications embed XMPP fun… | 75 | 2416 | stable |
| suitenumerique/meet La Suite Meet is an open-source video conferencing application powered by LiveKit, built with Django and React. It provides browser-based h… | 89 | 2396 | active |
| Tungstenite tokio-tungstenite is a Rust library providing asynchronous WebSocket client and server support built on top of the lightweight tungstenite-… | 70 | 2393 | stable |
| RSocket RSocket Java is the reference Java implementation of the RSocket application protocol, a binary protocol for Reactive Streams semantics ove… | 23 | 2388 | stable |
| AnyCable AnyCable is an open-source realtime server written in Go that provides reliable two-way communication over WebSockets and SSE with built-in… | 97 | 2384 | stable |
| SignalR ASP.NET SignalR is a .NET library that makes it simple to add real-time web functionality to ASP.NET (System.Web/Katana) applications, lett… | 38 | 9399 | maintenance |
| socketio/socket.io-client-cpp A C++11 client library for the Socket.IO real-time event protocol, built on websocket++ with a JS-like API. It supports binary payloads, au… | 37 | 2356 | active |
| jxhczhl/JsRpc JsRpc is a Go-based RPC server that lets you remotely invoke JavaScript methods running in a browser via WebSocket, avoiding the need to ex… | 78 | 2350 | active |
| walkor/phpsocket.io A server-side PHP implementation of the socket.io protocol built on the Workerman event-driven networking framework. It lets PHP applicatio… | 79 | 2343 | active |
| stimulusreflex/stimulus_reflex StimulusReflex is a Ruby gem and JavaScript client that lets Rails developers build reactive, real-time applications by rendering HTML on t… | 82 | 2335 | active |
| harlanc/xiu Xiu is a high-performance live streaming media server written in pure Rust, supporting RTMP (with clustering), RTSP, WebRTC (WHIP/WHEP), HT… | 68 | 2329 | active |
| Glimesh/broadcast-box Broadcast Box is a self-hosted Go server for sub-second live video broadcasting and screen sharing using WebRTC (WHIP/WHEP). It supports pu… | 87 | 2325 | active |
| cloudflare/meet Cloudflare Meet (formerly Orange Meets) is a demo video-conferencing application built on Cloudflare Realtime SFU (Calls) with WebRTC. It s… | 57 | 2314 | active |
| Selkies Remote Desktop Platform Selkies is an open-source low-latency, GPU/CPU-accelerated Linux remote desktop and game streaming platform that delivers an HTML5 web clie… | 98 | 2309 | active |
| xmppjs/xmpp.js xmpp.js is a modular JavaScript library implementing the XMPP (Extensible Messaging and Presence Protocol) for building chat clients and co… | 78 | 2278 | active |
| Nethereum Nethereum is the .NET integration platform for Ethereum and EVM-compatible blockchains, offering 130+ NuGet packages covering RPC access, s… | 82 | 2260 | active |
| Live Helper Chat Live Helper Chat is an open-source, self-hosted live support chat application for websites, featuring voice, video, screen sharing, co-brow… | 100 | 2249 | active |
| tddworks/baguette Baguette is a Swift CLI and WebSocket server that provides headless control of iOS simulators without opening Xcode or Simulator.app. It su… | 82 | 2248 | active |
| uowuo/abaddon Abaddon is an alternative Discord client written in C++ using GTK 3, offering a lightweight non-Electron desktop experience with voice chat… | 79 | 2223 | active |
| Enqueue Enqueue is a production-ready messaging solution for PHP that provides a unified API for creating, sending, and reading messages across man… | 86 | 2220 | stable |
| Hubs Hubs is an open-source, browser-based multi-user 3D virtual world and social VR platform built with A-Frame, Three.js, and WebXR/WebRTC. It… | 76 | 2218 | active |
| nextcloud/spreed Nextcloud Talk (spreed) is a self-hosted video, audio, and text chat conferencing app for Nextcloud. It supports private, group, public, an… | 95 | 2217 | stable |