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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
Looking for an open-source alternative to Day.js? Below are 2 community-built tools that offer similar functionality — all free, open source, and ready to use or self-host. Ranked by GitHub stars.
Frequently asked questions
What are the best open-source alternatives to Day.js?
The top picks from this list are Date-fns, Spacetime — all maintained, free to use, and self-hostable.
Are these alternatives to Day.js free?
Yes. Every tool listed here is open source and free to use. 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?
Most of the alternatives listed are self-hostable. Check each tool's page for hosting details, system requirements, and licensing terms.
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