Polyfill for BroadcastChannel for Safari, old Chrome and Opera

A BroadcastChannel that works in New Browsers, Old Browsers, WebWorkers, NodeJs, Deno and iframes

A BroadcastChannel that works in New Browsers, Old Browsers, WebWorkers

BroadcastChannel network adapter for Automerge Repo

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Provides leadership election and communication in the browser across tabs and workers using the Locks API and BroadcastChannel.

Declarative cross-tab messaging component for Web Components. Framework-agnostic BroadcastChannel primitive via wc-bindable-protocol.

Type-safe cross-tab message bus using BroadcastChannel, with in-memory fallback.

This JavaScript module provides a way to mock the `BroadcastChannel` API for testing purposes using [Vitest](https://github.com/vitest-dev/vitest), a fast and type-safe testing framework.

A BroadcastChannel that works in New Browsers, Old Browsers, WebWorkers and NodeJs and iframes

Angular Signals + BroadcastChannel state broker for micro-frontends. Synchronises state across MFEs and browser tabs via localStorage persistence and BroadcastChannel cross-tab sync.

A publish-subscribe utility library designed with BroadcastChannel API

BroadcastChannel multi-tab transport for noy-db — sync between tabs of the same browser without round-tripping the storage backend

BroadcastChannel adapter for @bimetal/broker — cross-tab, same-origin pub/sub. Zero external dependencies.

BroadcastChannel network adapter for Automerge Repo

Transport abstractions for collaborative editing — WebSocket, BroadcastChannel.

Upgraded web messaging primitives – MessageChannel, BroadcastChannel, MessagePort, MessageEvent, WebSocket

BroadcastChannel transport for postal — bridges pub/sub across same-origin tabs and windows.

Olas cross-tab cache sync — BroadcastChannel-backed QueryClientPlugin keeping every browser tab in lockstep.

Share ONE WebSocket connection across browser tabs — leader election, BroadcastChannel sync, optional Web Worker