WebSockets and realtime

12-month change compares the average of the last 4 weeks of downloads with the first 4 weeks of the 52-week series. Gzip size is for the whole package, as measured by Bundlephobia. "-" means the value has not been fetched.

• revai-node-sdkRev AI makes speech applications easy to build!
• jsonbirdJSON-RPC 2.0 client/server/peer for any reliable transport. Inter-process communication. REST. WebSocket. WebWorker. Out of order messaging or in-order byte streams
• serverA modern and powerful server for Node.js
• stimulus_reflexBuild reactive applications with the Rails tooling you already know and love.
• @runwayml/avatars-reactReact SDK for real-time AI avatar interactions with GWM-1
• little-apiA simple JSON-over-HTTP/WS RPC server and client
• @prestizni-software/server-demAn solution for when making http requests is not a good solution
• @prisma/ppgLightweight client for Prisma Postgres
• binanceProfessional Node.js & JavaScript SDK for Binance REST APIs & WebSockets, with TypeScript & end-to-end tests.
• node-red-contrib-knx-ultimateKNX integration for Node-RED with KNX/IP and KNX Secure, ETS import, routing, diagnostics, automation utilities, MQTT and Modbus adapters. Optional Hue Ultimate and Matter Ultimate packages connect through the KNX gateway.
• firebase-tools-with-isolateCommand-Line Interface for Firebase with monorepo support
• deepfilternet3-noise-filterCustom audio processor with DeepFilterNet3 noise filtering integrated with LiveKit client
• @vonage/client-sdk-videoThe OpenTok.js library lets you use OpenTok-powered video sessions on the web
• @hocuspocus/provider-reactReact bindings for Hocuspocus provider
• express-socket.io-sessionShare a cookie-based express-session middleware with socket.io
• laravel-echo-serverLaravel Echo Node JS Server for Socket.io
• @catalyst-cloud/sdkKeep a live local copy of your Linear and GitHub project data — pushed in real time, without polling rate limits or webhook tunnels.
• zmodem.jsZMODEM file transfers in JavaScript
• nestjs-asyncapiNestJS AsyncAPI module - generate documentation of your event-based services using decorators
• ultimate-expressThe Ultimate Express. Fastest http server with full Express compatibility, based on uWebSockets.
• ng-event-sourceThis fork provide the following on top of the original:
• mocksseAllows testing of EventSource / Server Sent Events
• trpc-bun-adapterTRPC adapter for bun js runtime
• robust-websocketA robust reconnecting WebSocket client for the browser
• chartjs-plugin-streamingChart.js plugin for live streaming data
• @agentor/chat-wecom企业微信 (WeCom) Chat SDK 适配器，支持 Webhook 群机器人、智能机器人（回调 URL / WebSocket 长连接）和自建应用
• @ws-kit/coreTiny, type-safe WebSocket router
• nats-hemeraThe core package of hemera
• plivo-jssipPlivo's Javascript SIP library
• socket.io-prometheusPrometheus metrics collector for socket.io server
• @ws-kit/pubsubPub/Sub policy middleware for WS-Kit (topic normalization, authorization) plus shared pub/sub primitives
• metaapi.cloud-sdkSDK for MetaApi, a professional cloud forex API which includes MetaTrader REST API and MetaTrader websocket API. Supports both MetaTrader 5 (MT5) and MetaTrader 4 (MT4). CopyFactory copy trading API included. (https://metaapi.cloud)
• @ws-kit/zodZod validator adapter for WS-Kit with runtime schema validation and full TypeScript inference
• @sanity/webpack-loaderPlugin loader for Sanity. Resolves parts based on a declared Sanity manifest and provides infrastructure for loading the required plugins.
• @ws-kit/memoryIn-memory rate limiter and pub/sub adapter for WS-Kit
• socketio-jwtauthenticate socket.io connections using JWTs
• @ws-kit/pluginsCore plugins for WS-Kit routers (messaging, RPC, pub/sub)
• @ws-kit/rate-limitToken-bucket rate limiting middleware for WS-Kit
• autobahnAn implementation of The Web Application Messaging Protocol (WAMP).
• react-native-webrtc-web-shimA shim for React Native WebRTC to enable support for React Native Web
• @aws-blocks/bb-realtimeReal-time pub/sub messaging backed by API Gateway WebSocket + DynamoDB.
• actioncable-vueA Vue plugin that makes integrating ActionCable easy.
• react-stompReact websocket component with STOMP over SockJS
• @strong-roots-capital/websocket-close-codesEnum of WebSocket close codes
• websocket-framedFramed WebSocket Communication
• hyper-expressHigh performance Node.js webserver with a simple-to-use API powered by uWebsockets.js under the hood.
• nodejs-websocketBasic server&client approach to websocket (text and binary frames)
• @mentra/cloud-clientMentraOS cloud client — handshake, envelopes and module message flows over the cloud wire protocol
• realtime-avatarRealtime Avatar SDK. `realtime-avatar` and the route adapters hold your API key and are server-only; `realtime-avatar/react`, `/browser` and `/tools` never can — importing a server entry into a browser build throws at bundle time.
• @stacksjs/realtimeThe Stacks realtime integration. Built on top of ts-broadcasting.

• ws vs sockjs
• ws vs sockjs-client
• @copilotkit/aimock vs mock-socket
• partysocket vs reconnecting-websocket