JSPM

Store state in URL as in object, types and structure are preserved, with TS validation. Same API as React.useState, wthout any hasssle or boilerplate. Next.js@14-15, react-router@6-7, and remix@2.

React SDK for Surf Live — real-time state sync between AI agents and your UI

Real-time server-client state sync — LiveServer, LiveComponent, rooms, auth, security, and cluster coordination

Browser WebSocket client for @fluxstack/live — connection, state sync, rooms, and file upload (framework-agnostic)

微前端通信桥接和状态同步工具，支持父子应用通信、状态同步、生命周期管理

To install dependencies:

React hooks for OmniState — zero-drop cross-tab and cross-device state sync

The Delta Engine for state-syncing in PaindaProtocol

Vue composables for the window.surf runtime — register local handlers, sync state, and surface Surf Live

Svelte utilities for the window.surf runtime — register local handlers, sync state, and surface Surf Live

Zero-drop cross-tab and cross-device state sync using Yjs CRDTs

state-sync client

To install dependencies:

Cross-tab state sync via BroadcastChannel. Login in one tab, every tab knows

The definitive toolkit for cross-tab state synchronization in modern web applications. High-performance, type-safe, and zero-dependency.

A TypeScript-compatible JavaScript library for tracking and synchronizing value states across different environments.

WaterBear SDK - WebSocket 变量同步、锁、RPC、事件订阅和 Worker 执行能力

Remote debugging and development tools client library for React Native applications

state-sync path based reducer

A lightweight (4KB) library for browser tab state synchronization and communication. Supports auto-persistence and real-time data sync between tabs.

Zero-dependency TypeScript library for real-time state synchronization across browser tabs, with leader election and cross-tab RPC

Universal WebRTC peer-to-peer library with signaling, rooms, file transfer, state sync, and E2E encryption

TypeScript client library for the State-Oriented Data Protocol

Digital Twin engine for FleetForge IoT platform

Client SDK for Gateway-Worker Framework - Colyseus-inspired TypeScript SDK

This package provides a fast way of implementing realtime data using WebSocket and [@traced-fabric/core](https://github.com/traced-fabric/core).

Validated Replicated State Machine built on Yjs. Combine CRDT offline capabilities with strict business logic validation, state reconciliation, and audit trails.

Cross-end reactivity API - Core store

state-sync client only json path reducer

A lightweight Redux middleware to sync state across browser tabs using BroadcastChannel API

Pinia adapter for state-sync — automatic store synchronization

Svelte 5 cross-tab sync, leader election and task rollover on leader change (when leader tab is closed)

Framework-agnostic state synchronization engine with revision protocol

Multiplayer without networking. Engine-agnostic multiplayer SDK with host-authoritative state sync.

A TypeScript code generator and runtime for binary serialization based on schemas.

React hooks for the State-Oriented Data Protocol

Distributed state synchronization - CRDTs and conflict-free data structures for VR

ContextPlex JavaScript/TypeScript SDK - Realtime state synchronization and file sync for developers

Tauri transport layer for state-sync — event-based subscriber and provider

Electron transport layer for state-sync — IPC bridge, broadcaster, and snapshot handler

Redux adapter for state-sync — automatic store synchronization via HOF reducer wrapping

Zustand adapter for state-sync — automatic store synchronization

Pluggable P2P sync engine with channel-based state synchronization

Svelte adapter for state-sync — automatic store synchronization

A custom React hook designed to synchronize component state with the URL's query parameters. This allows you to easily reflect a component's state in the URL or initialize a component's state from the URL.

MobX adapter for state-sync — automatic observable store synchronization

Framework-agnostic micro-frontend runtime (host, event bus, shared state, router sync)

Remote debugging and development tools client library for React Native applications

A lightweight, composable state & data library for React and TypeScript

Jotai adapter for state-sync — automatic atom synchronization

Minimal, framework-agnostic cross-tab state synchronization using BroadcastChannel API with localStorage fallback

Multiplayer without networking. Engine-agnostic multiplayer SDK with host-authoritative state sync.

Multiplayer without networking. Phaser 3 adapter with automatic sprite synchronization.

A lightweight, type-safe state management library for React with built-in IndexedDB persistence support.

Vue adapter for state-sync — automatic ref/reactive synchronization

Valtio adapter for state-sync — automatic proxy synchronization

Multiplayer without networking. Phaser 3 adapter with automatic sprite synchronization.

Persistence layer for state-sync — save and restore state snapshots

Framework-agnostic micro-frontend runtime (host, event bus, shared state, router sync)

Client library for TypeQL - TypeScript-first realtime API framework.

nMeshed - Real-time sync infrastructure for multiplayer apps. Mesh n users together.

Server library for TypeQL - TypeScript-first realtime API framework.

Syncity: A real-time, offline-first, plugin-based state synchronization framework

Real-time cross-tab/device state synchronization library with plugin support.