cross-tab state sharing for zustand

Cross-tab message bus for browsers.

Mutex for cross-tab coordination. Implemented using IndexedDB.

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

Javascript Pivot Table (aka Pivot Grid, Pivot Chart, Cross-Tab) implementation with drag'n'drop

A utility library for cross-tab communication using localStorage.

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

A zero-dependency React hook for sharing state across components with optional localStorage persistence and cross-tab sync

Cross-tab shared state, events, presence, and cross-origin window channels

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

Durable pending-transaction registry: cross-tab ownership, reconciliation, and failure recovery, with no React in the graph

Theme management for TanStack Start apps. System preference, no flash, cross-tab sync.

React Activity Detector. Detects if the user is active or idle, also includes Cross-Tab functionality

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

Appearance management for React 19 with HIG-inspired vocabulary - optimistic updates, cross-tab sync, and FOUC-free SSR

Hydration-aware persistence for any reactive store — zero-dep persistSource core; codecs, backends, cross-tab transport, source + framework hydration adapters ship as opt-in recipes

XBG Tab Sync - Cross-tab synchronization via BroadcastChannel

Passkey-native identity for SCP Wallet — soft authenticator, key derivation, cross-tab session sync.

Allows copying blocks between multiple tabs with Blockly editors.

Subscribe to browser storage. Typed keys, reactive updates, cross-tab sync — no boilerplate.