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 |
|---|---|---|---|
| aldinokemal/go-whatsapp-web-multidevice GoWA is a self-hosted WhatsApp REST API service written in Go, exposing WhatsApp multi-device messaging over HTTP with a web UI, webhooks, … | 94 | 4898 | active |
| lunatic-solutions/lunatic Lunatic is an Erlang-inspired runtime for WebAssembly that provides super lightweight, sandboxed processes for building fast, fault-toleran… | 25 | 4894 | active |
| antoniomika/sish sish is an open-source, self-hostable SSH server that provides HTTP(S), WebSocket(S), and TCP tunnels to localhost, serving as an ngrok/ser… | 96 | 4795 | active |
| EasySwoole EasySwoole is a high-performance, persistent-memory PHP framework built on the Swoole extension, designed for building coroutine-based APIs… | 67 | 4753 | active |
| gradio-app/fastrtc FastRTC is a Python library that turns any Python function into a real-time audio and video stream over WebRTC or WebSockets. It includes b… | 52 | 4631 | active |
| dreamhead/moco Moco is an easy-setup stub framework for the JVM that spins up mock HTTP, REST, WebSocket, and SSE servers from simple JSON configuration f… | 67 | 4444 | active |
| Salvo Salvo is a powerful yet simple async web framework for Rust, built on Hyper and Tokio. It offers tree-based routing, unified handler/middle… | 99 | 4440 | active |
| Fleetbase Fleetbase is an open-source, modular logistics and supply chain operating system (LSOS) providing fleet management, dispatch, route optimiz… | 95 | 4327 | active |
| HttpRunner HttpRunner (hrp) is an open-source, Go-based all-in-one testing framework for API testing (HTTP/HTTP2/WebSocket/RPC), load testing, and mul… | 44 | 4302 | active |
| eventmachine/eventmachine EventMachine is an event-driven I/O and lightweight concurrency library for Ruby based on the Reactor pattern. It enables building highly s… | 62 | 4280 | stable |
| cq-panda/Vue.NetCore A full-stack rapid development framework combining .NET/.NET8 backend with Vue2/Vue3 + Element Plus frontend and uniapp mobile support. It … | 66 | 4236 | active |
| davyxu/cellnet cellnet is a high-performance, componentized, extensible open-source network library for Go, supporting TCP, UDP, HTTP, and WebSocket trans… | 73 | 4057 | stable |
| apollographql/apollo-ios Apollo iOS is a strongly-typed, caching GraphQL client for Swift, supporting iOS, macOS, watchOS, tvOS, and visionOS. It provides code gene… | 94 | 4037 | stable |
| apollographql/apollo-kotlin Apollo Kotlin is a strongly-typed, caching GraphQL client for JVM, Android, and Kotlin Multiplatform targets. It provides code generation f… | 97 | 3977 | active |
| yetone/cumora Cumora is a cross-platform team chat application where AI agents participate as first-class teammates alongside humans, with personas, memo… | 77 | 3934 | active |
| kemalcr/kemal Kemal is a fast, lightweight web framework for the Crystal language with a Sinatra-like DSL for building web applications and JSON APIs. It… | 95 | 3928 | stable |
| BrowserBox/BrowserBox BrowserBox is a commercial Remote Browser Isolation (RBI) platform that streams a full modern browser to any client at 60 FPS, keeping web … | 98 | 3920 | active |
| Ring Ring is a Clojure library that abstracts HTTP into a simple unified API, inspired by Python's WSGI and Ruby's Rack. It enables modular web … | 74 | 3884 | stable |
| Atmosphere Atmosphere is a portable AI agent runtime for the JVM that lets a single @Agent class run across twelve AI runtimes (Spring AI, LangChain4j… | 95 | 3821 | active |
| livestorejs/livestore LiveStore is a next-generation state management framework built on a reactive embedded SQLite database with git-inspired event-sourcing syn… | 91 | 3737 | active |
| OvidijusParsiunas/deep-chat Deep Chat is a fully customizable, framework-agnostic AI chatbot web component that can be added to any website with one line of code. It s… | 90 | 3722 | active |
| reactor/reactor The Reactor Bill of Materials (BOM) is a curated set of compatible versions for Project Reactor modules such as reactor-core, reactor-netty… | 95 | 3692 | stable |
| Butterbase Butterbase is an open-source, AI-native backend-as-a-service platform built on Postgres, providing auth, storage, serverless functions, an … | 59 | 3687 | active |
| LLOneBot/LuckyLilliaBot Lucky Lillia Bot (LLBot) is a QQ bot framework that implements the OneBot 11, Satori, and Milky protocols, letting bot frameworks like Kois… | 91 | 3676 | active |
| kennethreitz/responder Responder is a Python HTTP service framework with a Flask/Falcon-style request-response model, built on Starlette and ASGI. It bundles batt… | 85 | 3617 | active |
| nextlevelbuilder/goclaw GoClaw is a multi-tenant AI agent platform and gateway rebuilt from OpenClaw in Go, supporting 20+ LLM providers and 7 messaging channels f… | 70 | 3610 | active |
| marcj/deepkit Deepkit is a modular, high-performance TypeScript framework that preserves TypeScript types at runtime via a compiler plugin, enabling vali… | 49 | 3545 | active |
| Legcord/Legcord Legcord is a free, open-source custom Discord client that wraps the official Discord web app in an optimized Electron shell with built-in c… | 100 | 3482 | active |
| actor-framework/actor-framework CAF (C++ Actor Framework) is an open-source implementation of the Actor Model in C++, providing lightweight actors, network-transparent mes… | 86 | 3442 | stable |
| DGS Framework DGS Framework (Domain Graph Service) is a GraphQL server framework for Spring Boot, developed and maintained by Netflix. It provides an ann… | 98 | 3399 | active |
| http-party/node-http-proxy node-http-proxy is a programmable HTTP proxying library for Node.js that supports websockets, HTTPS, and request/response modification. It … | 67 | 14121 | maintenance |
| serverpod/serverpod Serverpod is an open-source app and web server framework written in Dart, designed specifically for the Flutter ecosystem. It provides code… | 95 | 3306 | active |
| Snailclimb/interview-guide An open-source AI-powered interview platform built with Spring Boot 4.1, Java 25, Spring AI 2.0, React, PostgreSQL/pgvector, and Redis. It … | 59 | 3292 | active |
| Perfect Perfect is a server-side Swift framework and application server providing an HTTP/HTTPS server, routing, WebSockets, templating, and a suit… | 23 | 13733 | maintenance |
| OvenMediaEngine OvenMediaEngine is an open-source (AGPL-3.0) C++ live streaming server that ingests streams via WebRTC, SRT, RTMP, RTSP, and MPEG-2 TS and … | 87 | 3277 | active |
| FastMCP FastMCP is a TypeScript framework for building MCP (Model Context Protocol) servers with tools, resources, prompts, sessions, and authentic… | 82 | 3269 | active |
| zino-hofmann/graphql-flutter A GraphQL client for Dart and Flutter providing queries, mutations, subscriptions, caching, and optimistic updates through a widget-based A… | 82 | 3269 | active |
| remult/remult Remult is a full-stack TypeScript CRUD framework that uses TypeScript entity classes as a single source of truth to generate a secure REST … | 92 | 3210 | active |
| datascale-ai/opentalking OpenTalking is an open-source Python framework for building real-time AI digital-human (talking avatar) conversation products. It orchestra… | 61 | 3131 | active |
| coder/claudecode.nvim A Neovim plugin that integrates Anthropic's Claude Code AI coding assistant into Neovim via a pure Lua WebSocket MCP implementation. It rev… | 60 | 3115 | active |
| acl-dev/acl Acl is a cross-platform C/C++ network communication library and server programming framework supporting Linux, Windows, macOS, FreeBSD, And… | 86 | 3103 | stable |
| fibjs/fibjs fibjs is a JavaScript runtime built on Chrome's V8 engine that uses fiber-based coroutines with a synchronous, non-blocking IO model. It sh… | 67 | 3096 | active |
| tsedio/tsed Ts.ED is a TypeScript framework for Node.js and Bun built on top of Express.js, Koa.js, or Fastify.js, using decorators and class-based arc… | 93 | 3089 | active |
| stephenberry/glaze Glaze is an extremely fast, header-only C++ serialization and reflection library supporting JSON, BEVE, CBOR, BSON, CSV, MessagePack, TOML,… | 94 | 3061 | active |
| elixir-plug/plug Plug is an Elixir library and specification for composing web applications from small functional pieces, with connection adapters for web s… | 74 | 3019 | stable |
| LagrangeDev/Lagrange.Core Lagrange.Core is a pure C# implementation of the NTQQ protocol used by Tencent QQ, derived from Konata.Core. It lets developers build QQ bo… | 62 | 2994 | active |
| userver-framework/userver userver is a production-ready open-source C++ asynchronous framework with coroutines for building microservices, services, and utilities. I… | 93 | 2982 | stable |
| kamailio/kamailio Kamailio is an open source SIP signaling server (RFC3261) written in C, designed for large-scale VoIP and real-time communication platforms… | 95 | 2978 | stable |
| peterq/pan-light pan-light is an unofficial Baidu Netdisk (Baidu Yun) desktop client built with Go and Qt5/QML that achieves high-speed segmented downloads … | 23 | 12117 | maintenance |
| meolu/walle-web Walle (walle-web) is an open-source web-based code deployment platform written in Python, offering one-click deploy and rollback for PHP, J… | 23 | 11983 | maintenance |
| foss42/apidash API Dash is an open-source, AI-powered cross-platform API client built with Flutter for creating and customizing HTTP and GraphQL requests,… | 66 | 2929 | active |
| langhuihui/jessibuca Jessibuca is an open-source pure HTML5 live-streaming video player built on MediaSource, WebCodecs, and WebAssembly, with WebGL rendering a… | 92 | 2910 | active |
| supercorp-ai/supergateway Supergateway is a CLI tool that runs MCP stdio-based servers over SSE, WebSockets, or Streamable HTTP, and vice versa, with a single comman… | 89 | 2905 | active |
| eooce/python-ws A lightweight Python implementation of VLESS, Trojan, and Shadowsocks proxy protocols designed to run on serverless/PaaS platforms without … | 52 | 2844 | active |
| Pitaya Pitaya is a lightweight, scalable game server framework written in Go with clustering support for distributed multiplayer games. It ships c… | 92 | 2834 | active |
| postaljs/postal.js postal is a TypeScript-first pub/sub message bus for JavaScript with AMQP-style topic wildcards, channel-scoped messaging, request/response… | 69 | 2834 | active |
| Parse Platform The official Apple SDK for the Parse Platform, providing client access to Parse Server from iOS, iPadOS, macOS, watchOS, and tvOS apps. It … | 80 | 2807 | active |
| opensolon/solon Solon is a Java enterprise application development framework built from scratch as a lighter, faster alternative to Spring Boot/Spring Clou… | 92 | 2794 | active |
| http4k http4k is a lightweight, functional HTTP toolkit for Kotlin where applications are just functions from Request to Response, with no annotat… | 95 | 2792 | stable |
| Pedestal Pedestal is a set of Clojure libraries for building server-side services, APIs, and web applications on the JVM. It provides an interceptor… | 65 | 2783 | active |
| Tencent Cloud Chat SDK Tencent Cloud Chat (IM) SDK is a messaging SDK and hub repository providing chat APIs and UIKit components for building real-time in-app me… | 66 | 2749 | active |
| mojolicious/mojo Mojolicious is a real-time web framework for Perl that supports MVC web applications, WebSockets, and non-blocking I/O with a built-in web … | 72 | 2747 | active |
| gavv/httpexpect httpexpect is a Go library providing concise, declarative end-to-end HTTP and REST API testing via chainable request builders and response/… | 43 | 2724 | stable |
| Johnserf-Seed/f2 F2 is an asynchronous Python library and CLI tool for downloading videos and fetching API data from multiple platforms including Douyin, Ti… | 67 | 2704 | active |
| KrakenD KrakenD Community Edition is an open-source, stateless, high-performance API Gateway written in Go that aggregates, transforms, secures, an… | 99 | 2691 | stable |
| walkor/webman Webman is a high-performance PHP web framework built on Workerman that integrates HTTP, WebSocket, TCP, and UDP services. It uses resident … | 74 | 2691 | active |
| scalatra/scalatra Scalatra is a tiny, Sinatra-inspired web micro-framework for Scala that runs on the JVM. It lets developers build high-performance, asynchr… | 76 | 2647 | active |
| absmach/magistrala Magistrala is an open-source, multi-tenant IoT platform framework written in Go that provides device management, messaging, identity, and a… | 97 | 2645 | active |
| instantdb/instant Instant is an open-source backend platform (the 'Modern Firebase') providing a real-time relational database, auth, permissions, storage, p… | 67 | 10546 | maintenance |
| http4s Http4s is a minimal, idiomatic Scala library for building HTTP servers and clients, serving as Scala's equivalent to Rack, WSGI, WAI, and S… | 94 | 2626 | stable |
| Architect Architect is an open-source framework and CLI for building Functional Web Apps (FWAs) on AWS serverless infrastructure using concise declar… | 65 | 2624 | active |
| amberframework/amber Amber is a full-stack web application framework for the Crystal language, inspired by Rails, Phoenix, and Kemal, providing routing, control… | 80 | 2606 | active |
| Intent-Lab/VisionClaw VisionClaw is a real-time AI assistant app for Meta Ray-Ban smart glasses that streams camera frames and microphone audio to the Gemini Liv… | 59 | 2591 | active |
| API Platform API Platform is a full-stack PHP framework built on Symfony (and Laravel) for creating API-first projects with hypermedia REST or GraphQL A… | 94 | 2577 | stable |
| molvqingtai/WebChat A decentralized browser extension that lets visitors of the same website chat anonymously via WebRTC peer-to-peer, end-to-end encrypted com… | 92 | 2571 | active |
| mofeng-git/One-KVM One-KVM Rust is a lightweight open-source IP-KVM solution written in Rust that enables BIOS-level remote management of servers and workstat… | 89 | 2558 | active |
| Wire Wire is an open-source, end-to-end encrypted messaging and collaboration platform whose server components are written primarily in Haskell.… | 56 | 2550 | active |
| zixiiu/Digital_Life_Server A Python server backend for a 'digital life' voice assistant that combines speech recognition, ChatGPT-based conversation, sentiment analys… | 30 | 2549 | active |
| eRPC eRPC is an efficient, extensible, and easy-to-use RPC framework written in Go. It provides a unified peer API for servers and clients, mult… | 23 | 2526 | active |
| SyncTV SyncTV is a self-hosted Rust server for real-time synchronized video watching with rooms, chat, and livestreaming (RTMP/HLS/HTTP-FLV/RTSP).… | 95 | 2516 | active |
| yctimlin/mcp_excalidraw An MCP server, CLI, and agent skill that gives AI coding agents a live, stateful Excalidraw canvas they can draw on, inspect via screenshot… | 75 | 2496 | active |
| Mercurius Mercurius is a GraphQL adapter for the Fastify web framework for Node.js, providing query parsing/validation caching, JIT execution, subscr… | 95 | 2493 | stable |
| Let's Chat Let's Chat is a self-hosted, persistent team chat application built on Node.js and MongoDB, designed for small teams. It supports multiple … | 10 | 9797 | maintenance |
| huanzi-qch/base-admin Base Admin is a simple, general-purpose Java admin management system built on Spring Boot, Spring Security, Spring Data JPA, Thymeleaf, and… | 69 | 2444 | active |
| dmjio/miso Miso is a Haskell front-end framework for building web and native user interfaces, inspired by Elm and React, using a Model-View-Update arc… | 93 | 2442 | active |
| Xudong-Huang/may May is a high-performance Rust library for stackful coroutines, offering a Goroutine-like programming model for building massively concurre… | 71 | 2438 | active |
| facil.io facil.io is a high-performance C micro-framework for web applications, providing an evented HTTP/1.1, WebSocket, and SSE server with pub/su… | 54 | 2408 | active |
| learnhouse/learnhouse LearnHouse is a next-generation open-source learning management system (LMS) for creating, sharing, and selling educational content. It com… | 100 | 2404 | active |
| Mentra-Community/MentraOS MentraOS is an open-source operating system and development platform for smart glasses, providing pairing, connection management, data stre… | 92 | 2389 | active |
| gotd/td gotd/td is a full MTProto 2.0 Telegram API client library written in pure Go, supporting both user accounts and bots with generated binding… | 97 | 2358 | stable |
| mirumee/ariadne Ariadne is a Python library for building GraphQL servers using a schema-first approach, where the API is defined in SDL and business logic … | 98 | 2345 | stable |
| jeremyckahn/chitchatter Chitchatter is a free, open-source communication tool offering secure peer-to-peer chat, video, audio, and file sharing directly between br… | 77 | 2342 | active |
| matrix-org/matrix-rust-sdk A collection of Rust crates implementing the Matrix Client-Server SDK, handling low-level details like encryption, syncing, and room state.… | 98 | 2336 | active |
| barter-rs/barter-rs Barter is an open-source Rust framework and ecosystem of crates for building high-performance, event-driven algorithmic trading systems sup… | 93 | 2332 | active |
| levy-street/world-of-claudecraft World of ClaudeCraft is a free, open-source classic-style browser MMO built in TypeScript with Three.js, playable online with persistent ch… | 77 | 2302 | active |
| DiscordMessenger/dm Discord Messenger is a free, open-source Discord-compatible chat client written in C++ that runs on Windows versions from NT 3.1 and Window… | 81 | 2297 | active |
| Dart Frog Dart Frog is a fast, minimalistic backend framework for Dart built on top of shelf and mason, inspired by tools like remix.run, next.js, an… | 87 | 2271 | active |
| rcortx/kiwiq KiwiQ is a production-grade multi-agent orchestration platform in Python that lets you define AI workflows as JSON/Python graph schemas com… | 46 | 2211 | active |
| qicosmos/cinatra Cinatra is a cross-platform, header-only, high-performance HTTP framework written in modern C++20, supporting HTTP 1.0/1.1, SSL, and WebSoc… | 85 | 2180 | active |
| samchon/nestia Nestia is a set of helper libraries for NestJS that turns plain TypeScript types into runtime validation, a typed client SDK, OpenAPI/Swagg… | 93 | 2179 | active |