Pinia

Zustand

pmndrs/zustand

Popular

Tiny hook-based store with minimal boilerplate; the most popular choice for new React apps.

Redux Toolkit

reduxjs/redux-toolkit

Popular

Official, batteries-included way to write Redux; still the standard in many large React codebases.

Jotai

pmndrs/jotai

Primitive, atom-based state for React with bottom-up composition and no string keys.

MobX

mobxjs/mobx

Transparent reactive state via observables; mature and popular in complex domain-heavy apps.

XState

statelyai/xstate

State machines, statecharts and actors for modeling complex UI logic explicitly.

NgRx

ngrx/platform

Reactive state management for Angular, from Redux-style Store to the signal-based SignalStore.

Valtio

pmndrs/valtio

Proxy-based state that you mutate directly while React re-renders only what changed.

Preact Signals

preactjs/signals

Trending (detected automatically)

Fine-grained reactive signals usable in Preact, React or plain JS, mirroring the TC39 signals push.

Nanostores

nanostores/nanostores

Trending (detected automatically)

Tiny framework-agnostic atomic stores; popular for sharing state across Astro islands.