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 |
|---|---|---|---|
| Traefik Traefik is a modern, cloud‑native HTTP reverse proxy and load balancer written in Go. It automatically discovers services from orchestrator… | 92 | 65024 | active |
| tldraw tldraw is a React SDK for building infinite canvas applications, providing a feature-complete whiteboard engine with drawing, diagramming, … | 93 | 50683 | stable |
| Discourse Discourse is an open‑source, Ruby‑on‑Rails based community platform for discussion forums, Q&A, and real‑time chat. It can be self‑hosted o… | 83 | 47962 | active |
| Rocket.Chat Rocket.Chat is an open‑source, secure communications platform that provides real‑time messaging, voice, video and collaboration tools. It c… | 92 | 46207 | active |
| mitmproxy/mitmproxy mitmproxy is an interactive, SSL/TLS-capable intercepting proxy for HTTP/1, HTTP/2, HTTP/3, and WebSockets, offered as a console tool (mitm… | 89 | 45113 | stable |
| tRPC tRPC is a TypeScript-first library that lets you build end‑to‑end type‑safe APIs without schemas or code generation. It provides adapters f… | 97 | 40686 | active |
| Kong/insomnia Insomnia is an open-source, cross‑platform API client and design tool. It supports REST, GraphQL, gRPC, WebSockets and other HTTP‑compatibl… | 99 | 40055 | active |
| ASP.NET Core ASP.NET Core is the open-source, cross-platform web framework for .NET, used to build modern cloud-based web applications, APIs, IoT apps, … | 97 | 38467 | stable |
| Netty Netty is an asynchronous event-driven network application framework for the JVM, enabling rapid development of high-performance protocol se… | 96 | 35065 | stable |
| V2Ray V2Ray (Project V) is a Go-based network proxy platform for building tunnels that bypass network restrictions and protect privacy. It suppor… | 94 | 34662 | active |
| tokio-rs/tokio Tokio is an event-driven, non-blocking I/O runtime for writing asynchronous applications in Rust. It provides a multithreaded work-stealing… | 94 | 33290 | stable |
| SurrealDB SurrealDB is a multi-model database written in Rust that combines document, graph, vector, and relational data models in a single ACID engi… | 93 | 33087 | stable |
| k1tbyte/Wand-Enhancer WandEnhancer is an open‑source desktop application written in C# that extends the Wand (WeMod) client with UI customizations, local configu… | 90 | 32335 | active |
| k6 Grafana k6 is an open-source load and performance testing tool with a Go-based engine and tests written in JavaScript or TypeScript. It sup… | 99 | 31932 | stable |
| NGINX NGINX is a high‑performance open‑source web server that also acts as a reverse proxy, load balancer, and content cache. It supports HTTP, H… | 96 | 31710 | active |
| lenve/vhr vhr (微人事) is a full-stack, front-end/back-end separated human resources management system built with Spring Boot and Vue, covering employee… | 32 | 28025 | active |
| cloudflare/pingora Pingora is a Rust framework from Cloudflare for building fast, reliable, and programmable network services such as HTTP proxies and load ba… | 85 | 27603 | stable |
| Vapor Vapor is a high‑performance, server‑side Swift web framework. It provides routing, middleware, ORM, templating, and WebSocket support for b… | 98 | 26228 | active |
| kataras/iris Iris is a high‑performance, feature‑rich web framework for Go that supports HTTP/2, MVC, dependency injection, and many built‑in middleware… | 62 | 25555 | active |
| Actix Web Actix Web is a fast, pragmatic web framework for Rust that provides type‑safe request handling, routing, and middleware. It supports async … | 100 | 24864 | active |
| Actix Web Actix Web is a powerful, pragmatic, and extremely fast asynchronous web framework for Rust. It provides type-safe routing, flexible respond… | 100 | 24864 | stable |
| louislam/dockge Dockge is a self-hosted web application for managing Docker Compose stacks via a fancy, reactive UI. It lets you create, edit, start, stop,… | 50 | 24650 | active |
| phoenixframework/phoenix Phoenix is a full‑stack web framework for the Elixir language that enables developers to build scalable, fault‑tolerant applications. It pr… | 96 | 23170 | active |
| Parse Platform Parse Server is an open-source Backend-as-a-Service (BaaS) that runs on Node.js with the Express framework, providing REST and GraphQL APIs… | 96 | 21398 | active |
| mountain-loop/yaak Yaak is a fast, privacy‑first desktop API client built with Tauri, Rust and React. It lets you create, organize and execute REST, GraphQL, … | 95 | 19247 | active |
| Elysia Elysia is a TypeScript backend web framework built for Bun, emphasizing end-to-end type safety, schema-driven validation, and ergonomic dev… | 93 | 19239 | active |
| Lichess Lichess is a free, ad‑less, open‑source online chess server written in Scala and TypeScript. It provides real‑time gameplay, analysis, tour… | 68 | 18865 | active |
| iii iii is a Rust-based runtime engine that composes backend services from three primitives (Worker, Trigger, Function), letting polyglot worke… | 85 | 18844 | active |
| Sanic Sanic is a fast, asynchronous Python web framework and web server supporting async/await syntax and ASGI compliance. It bundles a productio… | 78 | 18634 | stable |
| Mock Service Worker Mock Service Worker (MSW) is an API mocking library for JavaScript that intercepts HTTP, GraphQL, and WebSocket requests in browsers via th… | 94 | 18275 | stable |
| esp8266/Arduino An Arduino core that brings full Arduino support to the ESP8266 WiFi chip, letting users write standard Arduino sketches that run directly … | 64 | 16687 | active |
| Pipecat Pipecat is an open-source Python framework (BSD-2) for building real-time voice and multimodal conversational AI agents. It orchestrates sp… | 89 | 16579 | active |
| k2-fsa/sherpa-onnx sherpa-onnx is an offline speech processing toolkit built on next-gen Kaldi and onnxruntime, supporting speech-to-text, text-to-speech, spe… | 94 | 15357 | active |
| livekit/agents LiveKit Agents is an open-source framework for building realtime, multimodal voice AI agents that run as programmable participants in LiveK… | 91 | 14870 | active |
| liketrek/TREK TREK is a self-hosted, real-time collaborative travel and trip planner web application built with TypeScript. It offers interactive maps, d… | 77 | 14848 | active |
| Vert.x Eclipse Vert.x is a polyglot toolkit for building reactive, non-blocking, asynchronous applications on the JVM, built on top of Netty. It p… | 77 | 14686 | stable |
| Ktor Ktor is an asynchronous web framework for Kotlin, built by JetBrains on top of coroutines, for creating servers, microservices, and multipl… | 98 | 14548 | stable |
| sogou/workflow Sogou C++ Workflow is an enterprise-level C++ framework for parallel computing and asynchronous networking, powering Sogou's back-end servi… | 87 | 14424 | stable |
| Drogon Drogon is a C++14/17/20-based HTTP web application framework for building high-performance web application servers. It uses non-blocking I/… | 82 | 14326 | active |
| AlexxIT/go2rtc go2rtc is a zero-dependency camera streaming application and media server written in Go that supports dozens of streaming formats and proto… | 82 | 14317 | active |
| freshframework/fresh Fresh is a full-stack web framework for Deno that renders server-generated HTML with Preact and ships JavaScript only for interactive 'isla… | 90 | 13792 | active |
| huggingface/speech-to-speech A low-latency, fully modular voice-agent pipeline (VAD -> STT -> LLM -> TTS) built from open-source models, exposed via the OpenAI Realtime… | 85 | 13485 | active |
| Tengine Tengine is a high-performance web server and reverse proxy forked from nginx, developed by Taobao/Alibaba since 2011. It is 100% nginx-comp… | 83 | 13385 | active |
| InsForge/InsForge InsForge is an open-source, all-in-one backend platform (BaaS) designed for AI coding agents, bundling Postgres, auth, storage, realtime, e… | 86 | 13129 | active |
| Convex Convex is an open-source reactive database and backend platform that lets developers write database queries and server functions in pure Ty… | 88 | 12696 | active |
| Play Framework Play Framework is a high-velocity, reactive web framework for Java and Scala running on the JVM. It offers a stateless, non-blocking archit… | 90 | 12617 | active |
| iroh Iroh is a Rust networking library that establishes direct peer-to-peer QUIC connections between endpoints dialed by public key, with NAT ho… | 96 | 12582 | active |
| Chainlit/chainlit Chainlit is an open-source Python framework for building production-ready conversational AI applications with a built-in chat UI. It provid… | 94 | 12506 | active |
| nitrojs/nitro Nitro is a TypeScript server toolkit that extends Vite apps with a production-ready server featuring file-based routing, caching, KV storag… | 100 | 11293 | active |
| chimurai/http-proxy-middleware A Node.js middleware library for proxying HTTP requests, wrapping the httpxy proxy engine in a simple one-liner API. It integrates with con… | 94 | 11127 | stable |
| ZeroMQ ZeroMQ (libzmq) is a high-performance, brokerless asynchronous messaging library implementing the ZMTP protocol, providing socket-like abst… | 62 | 11010 | stable |
| seanmonstar/warp warp is a composable web server framework for Rust built on hyper and Tokio. It uses a Filter system to combine path routing, header/query … | 73 | 10373 | stable |
| falconry/falcon Falcon is a minimalist ASGI/WSGI web framework for Python focused on building high-performance REST APIs and microservices. It embraces the… | 90 | 9807 | stable |
| tidwall/tile38 Tile38 is an open-source, in-memory geospatial database and real-time geofencing server written in Go. It supports spatial indexing of poin… | 89 | 9739 | active |
| Sphere Sphere is a Web3 wallet and agent platform for the Unicity network, combining a crypto wallet with direct messages, group chat (Nostr/NIP-2… | 61 | 9719 | active |
| pocoproject/poco POCO (Portable Components) is a collection of cross-platform C++ class libraries for building network- and internet-centric applications, c… | 94 | 9483 | stable |
| telegraf/telegraf Telegraf is a modern Telegram Bot API framework for Node.js, written in TypeScript with full Bot API 7.1 support. It offers a middleware-ba… | 66 | 9193 | stable |
| open-pencil/open-pencil OpenPencil is an open-source, AI-native design editor that opens and writes native Figma (.fig) files, with built-in AI chat that can creat… | 83 | 9153 | active |
| Apache ShenYu Apache ShenYu is a Java-native, asynchronous, high-performance API gateway for service proxying, protocol conversion, and API governance ac… | 86 | 8901 | stable |
| Neutralinojs Neutralinojs is a lightweight, portable framework for building cross-platform desktop applications with JavaScript, HTML, and CSS. Unlike E… | 95 | 8666 | active |
| Oat++ Oat++ is a light, zero-dependency C++ web framework for building highly scalable and resource-efficient web applications and REST APIs. It … | 42 | 8650 | active |
| Boost C++ Libraries Boost is a collection of free, peer-reviewed, portable C++ source libraries organized as a modularized super-project. It provides widely us… | 92 | 8586 | stable |
| GraphQL Yoga GraphQL Yoga is a batteries-included, spec-compliant GraphQL over HTTP server library for JavaScript/TypeScript, built on Envelop and Graph… | 99 | 8529 | stable |
| RoadRunner RoadRunner is a high-performance PHP application server and process manager written in Go, extensible through a plugin system. It runs PHP … | 91 | 8509 | stable |
| CrossPoint Reader CrossPoint Reader is open-source, community-maintained e-reader firmware for ESP32-C3-based Xteink X3/X4 devices. It provides EPUB renderin… | 83 | 8452 | active |
| javalin/javalin Javalin is a lightweight, simple web framework for Java and Kotlin built on top of Jetty, supporting REST APIs, WebSockets, static file ser… | 96 | 8368 | active |
| midwayjs/midway Midway is a progressive, TypeScript-first Node.js framework from Alibaba's Taobao frontend architecture team, built around a custom depende… | 100 | 7757 | active |
| labring/laf Laf is an open-source cloud development platform (BaaS/FaaS) offering cloud functions, cloud database (MongoDB), and cloud storage (MinIO) … | 62 | 7551 | active |
| HedgeDoc HedgeDoc (formerly CodiMD) is an open-source, self-hosted, web-based collaborative markdown editor supporting real-time co-editing, diagram… | 92 | 7483 | stable |
| sparckles/Robyn Robyn is a high-performance async Python web framework with a Rust runtime, offering routing, middleware, WebSockets, templating, authentic… | 93 | 7407 | active |
| zhinianboke/xianyu-auto-reply A self-hosted multi-account automation system for the Xianyu (Goofish) second-hand marketplace, built with Python/FastAPI, React, MySQL, Re… | 62 | 7399 | active |
| cloudwego/hertz Hertz is a high-performance, extensible Go HTTP framework from CloudWeGo (ByteDance) for building microservices. It uses the Netpoll networ… | 88 | 7377 | active |
| ehang-io/nps NPS is a lightweight, high-performance intranet penetration (reverse proxy/tunnel) server written in Go, supporting TCP, UDP, HTTP(S), SOCK… | 23 | 34243 | maintenance |
| grab/cursor-talk-to-figma-mcp An MCP server plus Figma plugin that lets AI agents like Cursor, Claude Code, and Codex read and programmatically modify Figma designs. A W… | 59 | 7054 | active |
| Proxyman Proxyman is a native macOS HTTP(S) debugging proxy application that captures, inspects, and mocks HTTP/HTTPS and WebSocket traffic from bro… | 96 | 6991 | active |
| hyperf/hyperf Hyperf is a high-performance PHP coroutine framework built on Swoole and Swow, designed for building microservices, middleware, web systems… | 99 | 6905 | active |
| reqable/reqable-app Reqable is a cross-platform API debugging and testing application combining an MITM proxy for capturing HTTP(S) traffic with a full-feature… | 87 | 6788 | active |
| JetLinks IoT Platform JetLinks is an open-source, fully reactive enterprise IoT platform built on Java 17, Spring Boot 3.x, WebFlux, Netty, and Reactor. It provi… | 69 | 6658 | active |
| Rivet Rivet Actors is an open-source framework (RivetKit) providing long-running, stateful actor processes as the primitive for AI agents, collab… | 93 | 6309 | active |
| Asio Asio is a cross-platform C++ library for network and low-level I/O programming that provides a consistent asynchronous model using modern C… | 70 | 6216 | stable |
| Goa Goa is a design-first framework for building APIs and microservices in Go. You define your API in a Go-based DSL and it generates server co… | 99 | 6110 | active |
| r0x0r/pywebview pywebview is a lightweight Python library that wraps native webview components to build desktop GUIs with HTML, JavaScript, and CSS. It pro… | 80 | 6032 | stable |
| twisted/twisted Twisted is an event-driven networking engine and framework for Python, providing an asynchronous reactor plus implementations of many inter… | 79 | 5992 | stable |
| Pokémon Showdown Pokémon Showdown is a Pokémon battle simulator that runs as a website, a self-hostable game server, and a JavaScript library for simulating… | 84 | 5976 | active |
| sammwyy/MikuMikuBeam MikuMikuBeam is a network stress testing tool written in Go with a Hatsune Miku-themed web UI, supporting HTTP flood, HTTP bypass, Slowlori… | 60 | 5864 | active |
| AidLux (AidLearning) AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 63 | 5812 | active |
| memovai/mimiclaw MimiClaw is a bare-metal AI agent framework written in pure C that runs an OpenClaw-style personal AI assistant on a $5 ESP32-S3 microcontr… | 67 | 5802 | active |
| Telegram for macOS The official open-source Telegram messaging client for macOS, written in Swift. It provides the full Telegram experience—chats, calls, chan… | 48 | 5768 | active |
| ChilliCream GraphQL Platform ChilliCream GraphQL Platform is a suite of open-source .NET tools for building GraphQL APIs, including the Hot Chocolate GraphQL server, th… | 96 | 5760 | active |
| kgateway-dev/kgateway kgateway is a Kubernetes-native API gateway and ingress controller that implements the Kubernetes Gateway API as a control plane for Envoy … | 100 | 5713 | stable |
| middleapi/orpc oRPC is a TypeScript framework for building end-to-end typesafe APIs without code generation, combining RPC-style typed clients with first-… | 86 | 5706 | active |
| trailbaseio/trailbase TrailBase is an open-source, single-executable Firebase alternative built on Rust, SQLite (with experimental Postgres support), and Wasmtim… | 84 | 5638 | active |
| tobychui/zoraxy Zoraxy is a general-purpose HTTP reverse proxy and forwarding tool written in Go, managed through a built-in web interface designed for hom… | 97 | 5504 | active |
| graphql-ruby graphql-ruby is a Ruby implementation of the GraphQL specification for building GraphQL server APIs in Ruby and Rails applications. It prov… | 68 | 5445 | stable |
| agentgateway/agentgateway Agentgateway is an open-source, Rust-based proxy and gateway for agentic AI traffic, handling LLM provider routing, MCP tool servers, and A… | 83 | 5420 | active |
| IHP IHP is a batteries-included, type-safe full-stack web framework built on Haskell and Nix, featuring compile-checked HTML (HSX), typed SQL q… | 89 | 5359 | active |
| ThinkJS ThinkJS is a Node.js web application framework that leverages full ES2015+ (ES6/7) features like async/await, with TypeScript support. It p… | 67 | 5268 | active |
| XRPLF/rippled rippled (xrpld) is the core C++ server daemon implementing the XRP Ledger protocol, a decentralized cryptographic ledger secured by a Byzan… | 95 | 5230 | stable |
| signalwire/freeswitch FreeSWITCH is an open-source software-defined telecom stack that turns commodity servers into a full telephony platform for voice, video, a… | 95 | 5191 | stable |
| firebase/firebase-js-sdk The official Firebase JavaScript SDK providing client-side libraries for Firebase services such as Authentication, Realtime Database, Fires… | 99 | 5152 | stable |