An HTTP(s) proxy `http.Agent` implementation for HTTPS

An implementation of the WHATWG URL Standard's URL API and parsing machinery

Mock websockets and assert complex websocket interactions with Vitest

Real-time voice AI for HazelJS - OpenAI Realtime API & Gemini Live integration for low-latency speech-to-speech

Isomorphic implementation of WebSocket

Message based Two-way remote procedure call

Tracker-discovered WebRTC transport for Roxxie Proxy U

The same useRef, but with callback

JavaScript client SDK for bidirectional communication with Centrifugo and Centrifuge-based server from browser, NodeJS and React Native

Provides low-level audio I/O via platform-specific APIs. Includes precompiled addons for all supported platforms.

WebSocket client for Sanity's Bifur real-time service, communicating over JSON-RPC 2.0 and returning RxJS Observables

The postgres client/server binary protocol, implemented in TypeScript

Websockets provider for Yjs

WebSocket client and SimpleServer for syncing CRDTs base on loro-protocol

Coherent, zero-dependency, lazy, simple, GraphQL over WebSocket Protocol compliant server and client

An RPC Subscriptions transport that uses WebSockets

The OpenAI Agents SDK is a lightweight yet powerful framework for building multi-agent workflows.

LangGraph

ZEGO ZIM SDK for Web

Use websockets with the node streams API. Works in browser and node