---
title: "Legend-State"
description: "Fine-grained reactive state library with automatic persistence and sync plugins, designed to re-render only the components that changed."
canonical: "https://vibing.inc/library/legend-state-vg-0922"
category: "Dev Utilities & Vibe-Coding Tooling"
subcategory: "Local-first & sync"
license: "MIT"
author: "Jay Meistrich (@jmeistrich)"
source: "https://github.com/LegendApp/legend-state"
---

# Legend-State
Fine-grained reactive state library with automatic persistence and sync plugins, designed to re-render only the components that changed.
## Facts
- Source: https://github.com/LegendApp/legend-state
- Category: Dev Utilities & Vibe-Coding Tooling / Local-first & sync
- Author: Jay Meistrich (@jmeistrich)
- Licence: MIT
- Tags: state, signals, react, persistence
## Why it's a gem
Signals-level render performance in React plus built-in local persistence and sync.
---
Listed in The Vibeary: https://vibing.inc/library/legend-state-vg-0922 · JSON: https://vibing.inc/api/public/library/gems/legend-state-vg-0922