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Recommendations Libraries & SDKs

State & Data Fetching

Client state and server data libraries compared — server cache, global stores, and async data hooks.

alternatives (4)

TanStack Query

Best for: Server state & caching

Powerful async state manager for server data — caching, background refetch, pagination, and mutations with minimal boilerplate.

  • +Best server cache
  • +DevTools
  • +Mutations built-in
  • Server state only
  • not a global store

Zustand

Best for: Lightweight client state

Minimal global state for React — simple store API, no providers, works outside components, tiny bundle.

  • +Tiny API
  • +No boilerplate
  • +Works outside React
  • Client state only

Redux Toolkit

Best for: Complex app state

Official Redux toolset — slices, Immer, RTK Query for data fetching, and DevTools for complex app state.

  • +Predictable
  • +RTK Query included
  • +DevTools
  • More boilerplate than Zustand

SWR

Best for: Simple stale-while-revalidate

React Hooks for data fetching by Vercel — stale-while-revalidate strategy with a minimal API and good defaults.

  • +Minimal API
  • +SWR strategy
  • +Vercel-backed
  • Less features than TanStack Query

Compare

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AlternativeFocusServer stateBest for
TanStack QueryServer stateExcellentAPI data caching
ZustandClient stateNoSimple global state
Redux ToolkitClient + serverVia RTK QueryLarge complex apps
SWRServer stateGoodSimple data hooks

Most apps need both: TanStack Query (or SWR) for server/API data with caching, plus Zustand for lightweight client UI state. Redux Toolkit when the app is large enough to need predictable global state and RTK Query together. Pair with an API layer and ORM on the backend.