36.5k
Date-fns
⏳ A modern JavaScript date utility library that provides comprehensive, lightweight functions for date manipulation.
🔨
Utils🟡
JavaScript👨💻
Development
2 Open Source Alternatives to Day.js
There are 2 open-source alternatives to Day.js in this directory. The most popular is Date-fns with 36.5k GitHub stars, followed by Spacetime(4.1k stars). All are open source, free to use, and many can be self-hosted.
Quick comparison
| # | Tool | Stars | Language | License |
|---|---|---|---|---|
| 1 | Date-fns ⏳ A modern JavaScript date utility library that provides comprehensive, lightweight functions for date manipulation. | 36.5k | TypeScript | MIT License |
| 2 | Spacetime A lightweight JavaScript library for handling timezone conversions and date-time operations. | 4.1k | JavaScript | Other |
All open-source alternatives to Day.js
Frequently asked questions
What are the best open-source alternatives to Day.js?
The top three are Date-fns(36.5k stars), Spacetime(4.1k stars). All are open source and free to use.
Are these alternatives to Day.js free?
Yes. Every tool listed here is open source and free to use in your own projects. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Can I self-host an alternative to Day.js?
Many of the alternatives listed are self-hostable. Each tool's page lists hosting details, system requirements, and licensing terms.
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