moment-holidayA Moment.js plugin for handling holidays. NO LONGER MAINTAINED (DEPRECATED)
holidataHolidata is the core of holidata.net, a no-nonsense, ad-free provider of international holiday data.
goholidayCalculating (holiday, business) days support for golang (Go language).
HolidayCheck whether a date is a holiday
pholidaya persian calendar holidays library for javascript
public-holidays-jsPublic holidays by country. Readonly from google calendar. Nodejs module.