function: websocket
1166 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| zfoo-project/zfoo zfoo is an extremely fast, asynchronous, actor-based Java server framework built on Netty that can serve as an RPC framework, game server f… | 76 | 2013 | active |
| ParabolInc/parabol Parabol is an open-source collaborative workspace for running structured agile team meetings such as retrospectives, sprint poker, standups… | 95 | 2008 | active |
| GoBelieveIO/im_service A Go-based instant messaging server supporting peer-to-peer, group, and chatroom messages with cluster deployment. It scales to 500k concur… | 77 | 1983 | active |
| varbhat/exatorrent exatorrent is a self-hostable BitTorrent client written in Go, shipped as a single statically linked binary with a responsive Svelte web UI… | 10 | 1977 | active |
| koush/AndroidAsync AndroidAsync is a low-level asynchronous network protocol library for Android built on Java NIO, providing socket client/server, HTTP(S) cl… | 32 | 7537 | maintenance |
| pcccccc/AngelLive AngelLive is a native Swift/SwiftUI live-streaming viewer app for Apple platforms (iOS 17+, macOS 15+, tvOS 17+), adapted from the dart_sim… | 84 | 1960 | active |
| Terry-Mao/goim goim is a high-performance instant messaging (IM) push server written in pure Go, supporting WebSocket, TCP, and HTTP long-polling protocol… | 23 | 7372 | maintenance |
| YeautyYE/netty-websocket-spring-boot-starter A Spring Boot starter that lets developers build WebSocket servers on top of Netty using annotation-driven configuration similar to spring-… | 58 | 1933 | active |
| chen-zeong/DTV DTV is a lightweight cross-platform desktop client for watching livestreams from Douyin, Bilibili, Douyu, and Huya, built with Tauri 2.0. I… | 76 | 1931 | active |
| sipsorcery-org/sipsorcery SIPSorcery is a C#/.NET library implementing SIP, WebRTC, RTP, ICE, STUN and SDP for building real-time communication applications. It is p… | 77 | 1930 | active |
| node-pinus/pinus Pinus is a fast, scalable, distributed game server framework for Node.js written in TypeScript, based on the Pomelo architecture with callb… | 74 | 1929 | active |
| Discord4J/Discord4J Discord4J is a fast, reactive JVM library for building Discord bots using the official Discord Bot API, built on Reactor and Netty. It prov… | 90 | 1920 | active |
| mochi-mqtt/server Mochi-MQTT is a fully compliant, embeddable MQTT v5 (and v3.1.1) broker written in Go, usable as a standalone binary or as a library inside… | 79 | 1919 | active |
| turms-im/turms Turms is an open-source instant messaging engine written in Java designed to scale from 100K to 10M concurrent users. It provides a distrib… | 55 | 1919 | active |
| mtrudel/bandit Bandit is a pure Elixir HTTP server for Plug and WebSock applications, supporting HTTP/1.x, HTTP/2, and WebSockets over HTTP and HTTPS. It … | 77 | 1915 | stable |
| lavalink-devs/Lavalink Lavalink is a standalone audio sending node for Discord, built on Lavaplayer and Koe, that streams music to Discord voice servers without a… | 90 | 1903 | stable |
| peer-calls/peer-calls Peer Calls is a self-hosted group peer-to-peer video calling application written in Go and TypeScript, built on WebRTC via the pion library… | 45 | 1903 | active |
| ccxt/go-binance A Go SDK providing complete client bindings for the Binance cryptocurrency exchange API. It implements all Binance REST APIs (spot, margin,… | 89 | 1899 | active |
| servicetitan/Stl.Fusion Fusion is a .NET library implementing Distributed REActive Memoization (DREAM), which combines transparent caching, real-time cache invalid… | 71 | 1888 | active |
| robtaussig/react-use-websocket A React Hook library that provides robust WebSocket integration for React components, with features like automatic reconnection, JSON messa… | 25 | 1886 | active |
| bugy/script-server Script-server is a self-hosted web application that exposes existing shell/Python scripts through a generated web UI, handling parameters, … | 75 | 1872 | active |
| enisdenjo/graphql-ws A zero-dependency TypeScript library implementing both a client and server for the GraphQL over WebSocket Protocol, used for GraphQL subscr… | 97 | 1871 | stable |
| YousefED/SyncedStore SyncedStore is a TypeScript library providing an easy-to-use reactive API on top of Yjs CRDTs for building real-time collaborative web appl… | 32 | 1863 | active |
| jsfiddle/togetherjs TogetherJS is a free, open-source JavaScript library by Mozilla that adds real-time collaboration features to any website via a copy-paste … | 76 | 7000 | maintenance |
| tywo45/t-io t-io is a Java network programming framework built on Java AIO that simplifies building high-performance TCP/UDP and WebSocket servers. It … | 35 | 1849 | active |
| TastSong/CrazyCar Crazy Car is an open-source online multiplayer racing game built with Unity, serving as a complete networked game solution. It combines a U… | 77 | 1838 | active |
| twilio/twilio-video-app-react A multi-party video collaboration application built with Twilio's Programmable Video JS SDK, Conversations SDK, and React. It serves as a d… | 70 | 1825 | active |
| polkadot-js/apps The main Polkadot/Substrate browser UI (portal) for interacting with nodes across Polkadot and Substrate-based chains. It is a TypeScript m… | 90 | 1820 | active |
| go-telegram/bot A zero-dependency Go framework for building Telegram bots, supporting the latest Bot API version with both long-polling and webhook modes. … | 99 | 1815 | active |
| hyperliquid-dex/hyperliquid-python-sdk An official Python SDK for the Hyperliquid decentralized perpetuals exchange API. It provides clients for querying market and account data … | 86 | 1807 | active |
| lxzan/gws GWS is a high-performance, feature-complete WebSocket server and client library for Go, supporting TCP, KCP, and Unix domain socket transpo… | 87 | 1796 | stable |
| rethinkdb/horizon Horizon is an open-source realtime backend platform for JavaScript web and mobile apps, built on top of RethinkDB. It bundles a middleware … | 52 | 6734 | maintenance |
| taoensso/sente Sente is a client+server realtime web communications library for Clojure and ClojureScript, inspired by Socket.IO. It provides a unified hi… | 85 | 1791 | active |
| security-union/videocall-rs videocall.rs is an open-source, low-latency video conferencing platform and streaming API written entirely in Rust, built on WebTransport (… | 94 | 1784 | active |
| cs01/termpair TermPair is a Rust-based tool that lets you share and control a terminal from a browser with end-to-end encryption. A single static binary … | 80 | 1778 | active |
| Allenxuxu/gev gev is a lightweight, high-performance non-blocking TCP network library and WebSocket server for Go, built on the Reactor pattern with epol… | 34 | 1774 | active |
| debugger22/github-audio A React + TypeScript web application that converts real-time GitHub events (pushes, issues, pull requests) into music and visualizations. I… | 43 | 1755 | active |
| rabbibotton/clog CLOG (The Common Lisp Omnificent GUI) is a Common Lisp framework that builds graphical user interfaces using web technology, communicating … | 68 | 1754 | stable |
| esl/MongooseIM MongooseIM is a robust, scalable XMPP messaging server built in Erlang, designed for large enterprise instant messaging installations. It i… | 95 | 1750 | active |
| rauchg/slackin A Node.js application that hosts a landing page where visitors can enter their email to receive an invite to a public Slack organization. I… | 32 | 6494 | maintenance |
| Julian-adv/OpenMMO An open-source MMORPG written in Rust where AI agents and human players connect through the same WebSocket protocol with no privileged API … | 85 | 1740 | active |
| sigalor/whatsapp-web-reveng A reverse-engineered description and Node.js re-implementation of the WhatsApp Web API, communicating over WebSockets with the same encrypt… | 32 | 6491 | maintenance |
| samyk/poisontap PoisonTap is a USB-based attack tool built on a Raspberry Pi Zero and Node.js that exploits locked, password-protected computers by emulati… | 32 | 6475 | maintenance |
| ratchetphp/Ratchet Ratchet is a loosely coupled PHP library for asynchronously serving WebSockets, letting developers build real-time, bi-directional applicat… | 62 | 6437 | maintenance |
| ddssingsong/webrtc_android An Android demo application built on WebRTC supporting one-to-one voice/video calls and many-to-many video conferencing, with a companion J… | 23 | 1722 | active |
| code100x/chess A multiplayer online chess platform built with React, Node.js, and TypeScript, using dedicated WebSocket servers for real-time gameplay and… | 25 | 1717 | active |
| cirospaciari/socketify.py socketify.py is a high-performance Python web framework providing HTTP/HTTPS and WebSocket servers built on uSockets and libuv, optimized f… | 78 | 1714 | active |
| jimmy201602/webterminal A Django-based web bastion (jump server) that lets users connect to servers via SSH, SFTP, RDP, VNC, and Telnet directly from the browser. … | 44 | 1713 | active |
| endel/NativeWebSocket NativeWebSocket is a dependency-free WebSocket client library for .NET that works in Unity, MonoGame, Godot (C#), and any other .NET projec… | 97 | 1709 | 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… | 81 | 1704 | active |
| duanhf2012/origin Origin is a distributed game server engine written in Go, organized around three core abstractions: Node, Service, and Module. It provides … | 86 | 1703 | active |
| Sync-in/server Sync-in Server is a self-hosted, open-source (AGPL-3.0) platform for file storage, sharing, synchronization, and team collaboration, writte… | 82 | 1700 | active |
| tonghohin/screen-sharing A web application for real-time screen sharing built with Next.js, WebRTC, and PeerJS. Users create a room, share a room code, and others c… | 47 | 1695 | active |
| thevahidal/soul Soul is a Node.js CLI tool that instantly turns any SQLite database into a RESTful API server with a realtime WebSocket endpoint. It suppor… | 97 | 1684 | active |
| WalletConnect/walletconnect-monorepo WalletConnect is an open protocol and TypeScript SDK monorepo for connecting crypto wallets to decentralized applications (dapps) over a se… | 92 | 1684 | active |
| graphql-python/gql GQL is a GraphQL client library for Python supporting queries, mutations, and subscriptions over HTTP and websockets transports. It offers … | 73 | 1681 | stable |
| SocketCluster/socketcluster SocketCluster is a highly scalable realtime pub/sub and RPC framework for Node.js, with a CLI tool for scaffolding apps and deploying them … | 67 | 6194 | maintenance |
| jwpttcg66/NettyGameServer A distributed mobile game server framework built on Netty 4.x in Java, supporting TCP, UDP, HTTP, and WebSocket connections with a custom p… | 57 | 1671 | active |
| discourse/message_bus MessageBus is a Ruby gem providing a reliable publish/subscribe messaging bus for server-to-server and server-to-web-client communication. … | 75 | 1662 | stable |
| cryptocj520/crypto-trading-open A Python-based multi-exchange cryptocurrency automated trading system with an advanced arbitrage engine at its core, supporting segmented a… | 43 | 1660 | active |
| woutdp/live_svelte LiveSvelte is an Elixir library that integrates Svelte components into Phoenix LiveView, providing seamless end-to-end reactivity over webs… | 84 | 1656 | active |
| papercups-io/papercups Papercups is an open-source, self-hosted live customer support chat application built with Elixir/Phoenix and React, offering an embeddable… | 23 | 6101 | maintenance |
| Stream Chat The official Android SDK for Stream Chat, providing a low-level chat client plus reusable UI components and Jetpack Compose messaging UI fo… | 95 | 1649 | stable |
| mezonai/mezon Mezon is an open-source communication platform positioned as a high-performance Discord alternative for team chat, gaming, and community bu… | 87 | 1647 | active |
| chronoxor/CppServer CppServer is an ultra-fast, low-latency asynchronous socket server and client C++ library supporting TCP, SSL, UDP, HTTP, HTTPS, and WebSoc… | 77 | 1647 | stable |
| sta/websocket-sharp websocket-sharp is a C# library implementing the WebSocket protocol (RFC 6455) for both client and server, with support for per-message com… | 75 | 6075 | maintenance |
| gzydong/LumenIM Lumen IM is a self-hosted web-based instant messaging application with a Vue3 + Naive UI frontend and a Go backend. It supports private and… | 53 | 1631 | active |
| holtwick/briefing Briefing is an open-source, end-to-end encrypted WebRTC video group chat web application built with Vue and TypeScript. It bundles the UI, … | 54 | 1627 | active |
| Totodore/socketioxide Socketioxide is a Socket.IO server implementation in Rust built as a Tower layer/service, integrating with the Tokio and Hyper ecosystems. … | 97 | 1623 | active |
| ape-byte/DouyinBarrageGrab A Windows desktop application that captures Douyin (TikTok China) live-stream barrage (danmaku) data by intercepting WebSocket traffic thro… | 70 | 1621 | active |
| dotnetcore/AgileConfig AgileConfig is a lightweight distributed configuration center built on .NET Core, deployable via Docker or IIS, with a management UI and cl… | 99 | 1620 | active |
| apollographql/graphql-subscriptions A small TypeScript library that implements GraphQL subscriptions by wiring a PubSub system (e.g., EventEmitter or Redis) into GraphQL resol… | 23 | 1617 | stable |
| laravel/reverb Laravel Reverb is a first-party, open-source WebSocket server for Laravel applications, built on the Pusher protocol. It integrates seamles… | 98 | 1604 | active |
| pgjones/hypercorn Hypercorn is an ASGI and WSGI web server for Python based on sans-io hyper libraries and inspired by Gunicorn. It supports HTTP/1, HTTP/2, … | 55 | 1601 | active |
| robbiehanson/XMPPFramework XMPPFramework is an Objective-C framework implementing the XMPP standard (RFC-3920) for Mac and iOS, with support for popular XEP extension… | 23 | 5878 | maintenance |
| atinux/nuxt-auth-utils A Nuxt module that adds authentication to Nuxt applications using secured and sealed cookie sessions. It supports 40+ OAuth providers, pass… | 92 | 1589 | active |
| tmijs/tmi.js tmi.js is a JavaScript library for connecting to and interacting with Twitch chat (IRC) from Node.js or the browser. It provides a client f… | 47 | 1589 | active |
| NethermindEth/nethermind Nethermind is a high-performance Ethereum execution client built on .NET, in production since 2017. It offers fast snap sync, high-throughp… | 98 | 1588 | stable |
| Freeciv Freeciv-web is an open-source turn-based empire-building strategy game playable in any HTML5-capable browser, with both a 2D isometric canv… | 77 | 1584 | active |
| koreainvestment/open-trading-api Official sample code repository from Korea Investment & Securities for their Open Trading API (KIS Developers), providing Python examples f… | 77 | 1584 | active |
| 2881099/FreeIM FreeIM is a simple, high-performance WebSocket-based instant messaging component for .NET/.NETCore, supporting clustered deployment via Red… | 48 | 1583 | active |
| calzoneman/sync CyTube is a Node.js server and JavaScript/HTML web client for synchronizing online media playback across viewers in shared channels. Each c… | 51 | 1581 | active |
| solana-foundation/solana-go A Go SDK library and RPC client for the Solana blockchain, providing interfaces to Solana's JSON RPC and WebSocket APIs. It supports key ma… | 99 | 1577 | active |
| unosquare/embedio EmbedIO is a tiny, cross-platform, module-based web server library for .NET Framework and .NET Core, written entirely in C#. It supports RE… | 10 | 1577 | stable |
| TOM88812/xiaozhi-android-client A Flutter-based cross-platform voice chat client for the xiaozhi AI assistant ecosystem, supporting real-time voice interaction and text co… | 60 | 1574 | active |
| SmingHub/Sming Sming is an open-source asynchronous C++ framework for building embedded applications with strong networking support. It targets multiple a… | 72 | 1569 | active |
| openilink/openilink-hub OpeniLink Hub is a self-hosted, open-source message management platform and app marketplace for WeChat ClawBot (iLink protocol) bots, built… | 73 | 1558 | active |
| online-go/online-go.com The source code for the Online-Go.com web client, a TypeScript web interface for playing Go (baduk/igo) online. It provides the frontend fo… | 77 | 1554 | active |
| solidjs-community/solid-primitives A community-maintained collection of high-quality, tree-shakable reactive primitives for the SolidJS framework, covering inputs, media, obs… | 95 | 1552 | active |
| sepfy/libpeer libpeer is a portable WebRTC implementation written in C using BSD sockets, designed for IoT and embedded devices such as ESP32 and Raspber… | 77 | 1542 | active |
| matrix-org/dendrite Dendrite is a second-generation Matrix homeserver written in Go, designed as an efficient, reliable, and scalable alternative to Synapse. I… | 10 | 5630 | maintenance |
| robbiehanson/CocoaHTTPServer CocoaHTTPServer is a small, lightweight, embeddable HTTP server library for Mac OS X and iOS applications written in Objective-C. It suppor… | 32 | 5609 | maintenance |
| isaackogan/TikTokLive TikTokLive is an unofficial Python library that connects to any TikTok LIVE stream via a creator's @unique_id and receives real-time events… | 78 | 1535 | active |
| swoft-cloud/swoft Swoft is a PHP microservice coroutine framework built on the Swoole extension, offering a resident-memory coroutine web server with HTTP, W… | 23 | 5536 | maintenance |
| abalabahaha/eris Eris is a Node.js library for interfacing with the Discord API, providing a lightweight wrapper for building bots. It supports gateway even… | 43 | 1514 | 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… | 58 | 1510 | active |
| ovidiuch/flatris Flatris is a fast-paced two-player Tetris-style web game built with React and Redux, featuring both UI and server components. It is a progr… | 32 | 1503 | active |
| softwaremill/sttp sttp is a popular open-source HTTP client library for Scala with a clean, type-safe request description API. It supports synchronous, Futur… | 97 | 1502 | active |
| massive-com/client-python The official Python client library for the Massive.com (formerly Polygon.io) REST and WebSocket APIs, providing access to stock, options, f… | 91 | 1499 | active |
| robinkarlberg/transfer.zip-web Transfer.zip is an open-source, self-hostable file-sharing service and website, an alternative to WeTransfer, with stored transfers (S3 or … | 72 | 1496 | active |