DevTools VS

Jotai vs Signals (TC39)

Updated Mar 4, 2026

Quick Verdict

Jotai has 4.8x more GitHub stars.

GitHub Stars
Jotai 21.0K
vs
Signals (TC39) 4.4K
Downloads/wk
Jotai 0
vs
Signals (TC39) 0
Contributors
Jotai 242
vs
Signals (TC39) 49
Bundle Size
Jotai 3.6 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
21.0K
4.4K
Weekly Downloads
0
0
Forks
707
121
Open Issues
4
43
Contributors
242
49
Bundle Size (gzip)
3.6 KB
N/A
Dependencies
0
1
Latest Version
2.18.0
2.8.1
Last Commit
Mar 4, 2026
Mar 4, 2026
License
MIT
MIT
First Published
Aug 11, 2020
Aug 24, 2022

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 March 4, 2026 and has 242 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.

Related Comparisons

Explore more comparisons