Dayjs
Day.js is a 2kB immutable date-time library, providing a modern API as a lightweight alternative to Moment.js.
Looking for an open-source alternative to Luxon? Below are 3 community-built tools that offer similar functionality — all free, open source, and ready to use or self-host. Ranked by GitHub stars.
Day.js is a 2kB immutable date-time library, providing a modern API as a lightweight alternative to Moment.js.
⏳ A modern JavaScript date utility library that provides comprehensive, lightweight functions for date manipulation.
A lightweight JavaScript library for handling timezone conversions and date-time operations.
The top picks from this list are Dayjs, Date-fns, Spacetime — all maintained, free to use, and self-hostable.
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.
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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