xstate
Finite State Machines and Statecharts for the Modern Web.
Explicit state machines and statecharts.
When to choose it: Complex flows (wizards, async sequences, UI with many states) where you want logic that is explicit, testable and visualizable.
- + Impossible states become impossible
- + Visualizable logic
- + Framework-agnostic
- - Steepest learning curve here
- - Overkill for simple state
- Latest version
- 5.32.0
- Monthly downloads
- 20,263,809
- GitHub stars
- 29,666
- Minified + gzip
- 14.1 kB
- Dependencies
- 0
- License
- MIT
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Data from npm, Bundlephobia and GitHub. Last updated 2026-06-02.