* [Centrifugo v6.7.0](https://github.com/centrifugal/centrifugo) – Scalable real-time messaging server supporting multiple transport protocols for building interactive applications.

* [Our Shopping List 4.2.0](https://github.com/nanawel/our-shopping-list) – Shared real-time shopping and todo list app with multiple boards, mobile-first UI, and basic PWA support.

* [Bifrost v0.47.0](https://github.com/aperturerobotics/bifrost) – Peer-to-peer communications engine with pluggable transports, multiplexing, encryption, meshing, and pub/sub support.

* [centrifuge-go v0.10.12](https://github.com/centrifugal/centrifuge-go) – Go client SDK for bidirectional WebSocket communication with Centrifugo and Centrifuge-based servers.

* [xTools v7.6.3](https://github.com/x-tools-author/x-tools) – Cross-platform Qt-based debugging tool-set supporting serial port, HID, BLE, UDP, TCP, WebSocket, Modbus, and CAN Bus.

* [socket.io socket.io-parser@3.3...](https://github.com/socketio/socket.io) – Realtime application framework for Node.js server enabling bidirectional communication.

* [protoo 4.0.8](https://github.com/versatica/protoo) – Minimalist, extensible Node.js signaling framework for multi-party real-time applications.

* [Node Slack SDK @slack/socket-mode@2...](https://github.com/slackapi/node-slack-sdk) – Collection of packages for building Slack apps with APIs for notifications, bots, and interactive features.

* [Tcp over WebSocket (TCP to WebSocket, tcp2ws) 11.3](https://github.com/zanjie1999/tcp-over-websocket) – Tunnel TCP and UDP traffic over WebSocket to enable remote access, NAT traversal, and CDN-friendly transport.

* [ExcaliDash v0.4.27](https://github.com/ZimengXiong/ExcaliDash) – Self-hosted dashboard and organizer for Excalidraw with live collaboration.

* [Ayame 2026.1.1](https://github.com/OpenAyame/ayame) – WebRTC signaling server for establishing peer-to-peer connections and integrating STUN/TURN and Web SDKs.

* [Socket.IO for Golang v3.0.0-rc.13](https://github.com/zishang520/socket.io) – Modern, idiomatic Go implementation enabling real-time bidirectional communication over WebSockets and other transports.

* [Autobahn|JS master-202602251332](https://github.com/crossbario/autobahn-js) – WAMP v2 JavaScript implementation providing RPC and PubSub over WebSocket for browsers and Node.js.