Redux
Definition.
Redux: An open-source JavaScript library for managing and centralizing application state.
In More Detail
Redux centralises state in one store with explicit actions, which makes state changes traceable — you can see what happened and in what order. That is genuinely valuable in a large application with state shared across distant parts of the tree.
It is also a lot of ceremony for state that only two components care about. React's own `useState` and `useContext`, or a lighter library, handle most cases. In Flutter the equivalent decision is BLoC versus simpler patterns, and the same reasoning applies: match the tool to how far the state actually travels.
In Practice
On newer React/Next.js projects I more often reach for Zustand or React Query instead of Redux — less boilerplate for the same predictable state management, though Redux is still a reasonable choice on larger, longer-lived codebases that already use it.
Related Terms
Browse the full software development glossary, or see the frequently asked questions.
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