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Effector

State management library for JavaScript and TypeScript apps that tracks reactive units, with separate packages for React, Vue and Solid.

Effector is a state manager for JavaScript and TypeScript apps, developed in a monorepo under the effector organization on GitHub. The core package is framework agnostic: the project publishes separate packages that bind it to React, Vue and Solid, and a package for Next.js. Node.js and Deno are both named among the environments it runs in. Apps install the core with npm, and the project also documents importing its build from a CDN. A migration guide covers moving from Redux.

Identity

Status
Active
Maintainer
Zero Bias4
First release
20185

Rendering and deploy

Install with
npm3

Releases

Current major version
238
Last release
2025-09-115

Adoption

GitHub stars
4,8522
npm downloads a week
276,67510
Contributors
1469
Dependent repositories
77511
Dependent packages
18011

Why these figures do not compare

Sources

  1. 2026-11-08: links
    effector.dev/
  2. 2026-11-08: links, Written in, GitHub stars
    api.github.com/repos/effector/effector
  3. 2026-11-08: links, Categories, Runtime, Install with
    effector.dev/en/introduction/get-started/
  4. 2026-11-08: Maintainer, License
    github.com/effector/effector/blob/master/LICENSE
  5. 2026-11-08: First release, Last release
    registry.npmjs.org/effector
  6. 2026-11-08: Runtime
    github.com/effector/effector/blob/master/README.md
  7. 2026-11-08: Minimum runtime
    registry.npmjs.org/effector/23.4.4
  8. 2026-11-08: Current major version
    api.github.com/repos/effector/effector/releases?per_page=100
  9. 2026-11-08: Contributors
    api.github.com/repos/effector/effector/contributors?per_page=1
  10. 2026-11-08: npm downloads a week
    api.npmjs.org/downloads/range/2026-11-01:2026-11-07/effector
  11. 2026-11-08: Dependent packages, Dependent repositories
    packages.ecosyste.ms/api/v1/registries/npmjs.org/packages/effector
  12. 2026-11-08: links
    effector.dev/en/introduction/ecosystem/

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