reatom/reatom

Health v2 · maintenance only

Adoption not part of the score

1364 stars · 141 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Reatom is a reactive state management library for TypeScript and JavaScript, built on a few core primitives (atom, computed, action, effect). It is framework-agnostic with adapters (e.g. React) and emphasizes small bundle size, async effects handling, and debugging with cause tracking.

Use cases

• manage application state in a React SPA
• replace Redux with a lightweight reactive store
• handle async data fetching with caching and cancellation
• build small reusable widgets with shared reactive state
• derive computed values from reactive state
• debug complex async state flows with cause tracking

When to choose

• you want a tiny (~2 KB) state manager with strong TypeScript inference
• you need fine-grained reactive updates without proxies
• your app has complex async flows needing cancellation and retries
• you want framework-agnostic state with React or other adapters

When to avoid

• you need a batteries-included framework with routing and data layers built in
• your team prefers proxy-based reactivity like Vue or MobX
• you are working outside the JavaScript/TypeScript ecosystem

Facets

library · maturity active

state-management frontend web-development browser cross-platform reactive-programming react typescript flux atomization async-effects nodejs

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