DevTools VS

Jotai vs Signals (TC39)

Updated Apr 26, 2026

Quick Verdict

Jotai has 4.8x more GitHub stars, while Jotai has 3.4x more weekly downloads.

GitHub Stars
Jotai 21.1K
vs
Signals (TC39) 4.4K
Downloads/wk
Jotai 4.0M
vs
Signals (TC39) 1.2M
Contributors
Jotai 244
vs
Signals (TC39) 50
Bundle Size
Jotai 4.0 KB
vs
Signals (TC39) N/A

Jotai

Website

Primitive and flexible state management for React

statereactatomicminimal

Signals (TC39)

Website

Reactive primitives for managing application state

statereactivesignalsfine-grained

Detailed Comparison

Side-by-side metrics from GitHub and npm

Metric
Jotai
Signals (TC39)
GitHub Stars
21.1K
4.4K
Weekly Downloads
4.0M
1.2M
Forks
709
125
Open Issues
10
42
Contributors
244
50
Bundle Size (gzip)
4.0 KB
N/A
Dependencies
0
1
Latest Version
2.19.1
2.9.0
Last Commit
Apr 23, 2026
Apr 10, 2026
License
MIT
MIT
First Published
Aug 11, 2020
Aug 24, 2022

Download Trends

Weekly npm downloads over the past 52 weeks

Feature Comparison

Framework capabilities at a glance

Feature
Jotai
Signals (TC39)
Typescript
Devtools
Middleware
Selectors
Async
Atomic
Framework Agnostic

Frequently Asked Questions

Common questions about Jotai vs Signals (TC39)

Is Jotai better than Signals (TC39)?

It depends on your use case. Jotai is primitive and flexible state management for react, while Signals (TC39) is reactive primitives for managing application state. Compare the stats and features above to decide which fits your needs.

Is Jotai still maintained in 2026?

Yes, Jotai was last updated on April 23, 2026 and has 244 contributors.

Can I migrate from Jotai to Signals (TC39)?

Migration complexity depends on how deeply Jotai is integrated into your project. Both tools serve similar purposes in the State Management space, so migration is generally feasible with proper planning.

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