* [ws 8.22.0](https://github.com/websockets/ws) – A fast and tested WebSocket client and server implementation for Node.js. * [STOMP.js v7.4.0](https://github.com/stomp-js/stompjs) – Fully-featured STOMP-over-WebSocket client library for browsers and Node.js, implementing STOMP v1.0–1.2. * [WebSocket DevTools v1.4.0](https://github.com/law-chain-hot/websocket-devtools) – WebSocket DevTools extension that provides traffic monitoring, message simulation, and real-time blocking through a native DevTools panel with iframe support. * [Centrifugo v6.9.7](https://github.com/centrifugal/centrifugo) – Scalable real-time messaging server supporting multiple transport protocols for building interactive applications. * [Tcp over WebSocket (TCP to WebSocket, tcp2ws) 12.0](https://github.com/zanjie1999/tcp-over-websocket) – Tunnel TCP and UDP traffic over WebSocket to enable remote access, NAT traversal, and CDN-friendly transport. * [sipexer v2.1.0](https://github.com/miconda/sipexer) – Modern, flexible command-line tool for crafting and sending SIP/VoIP requests across UDP, TCP, TLS and WebSocket. * [home-assistant-js-websocket 9.7.0](https://github.com/home-assistant/home-assistant-js-websocket) – JavaScript websocket client for integrating with Home Assistant's websocket API. * [ygo v1.51.0](https://github.com/reearth/ygo) – Binary-compatible, pure-Go CRDT library implementing Yjs data types, wire formats, and y-protocols sync and awareness, with an optional scalable Hocuspocus-compatible WebSocket server and embeddable mobile client. * [Node Slack SDK @slack/socket-mode@3...](https://github.com/slackapi/node-slack-sdk) – Collection of packages for building Slack apps with APIs for notifications, bots, and interactive features. * [Bifrost v0.57.19](https://github.com/s4wave/spacewave) – Peer-to-peer communications engine offering pluggable transports, multiplexed streams, encryption, meshing, and PubSub. * [Sarus v0.7.18](https://github.com/anephenix/sarus) – WebSocket client library for JavaScript with automatic reconnection and queued message sending across reconnects, including optional browser-storage persistence. * [SocketIOClient-Unreal v2.12.4](https://github.com/getnamo/SocketIOClient-Unreal) – Socket.IO client plugin for Unreal Engine enabling real-time, bidirectional communication. * [socket.io engine.io@6.6.11](https://github.com/socketio/socket.io) – Realtime application framework for Node.js server enabling bidirectional communication. * [Socket.IO for Golang v3.0.6](https://github.com/zishang520/socket.io) – Modern, idiomatic Go implementation enabling real-time bidirectional communication over WebSockets and other transports. * [Supabase Flutter supabase\_typegen-v0....](https://github.com/supabase/supabase-flutter) – Flutter client library for interacting with Supabase backend services. * [GO Simple Tunnel v3.3.1-nightly.20261...](https://github.com/go-gost/gost) – Simple tunnel solution written in Golang for various protocols. * [Autobahn|JS master-202610102251](https://github.com/crossbario/autobahn-js) – WAMP v2 JavaScript implementation providing RPC and PubSub over WebSocket for browsers and Node.js. * [ServerBee v1.0.0-beta.2](https://github.com/ZingerLittleBee/ServerBee) – Lightweight self-hosted VPS monitoring system with agents, server, and web dashboard.