Dev tools · alternatives · 2026

24 alternatives to Worldwide Holidays and Observances RESTful API

Explore comprehensive holiday data worldwide with Calendarific. Access national holidays, local observances, and religious events with customizable API solutions for your needs.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Worldwide Holidays and Observances RESTful API launched in 2020; newer entries below may have overtaken it.

1
Calendarific▲14
Global Holidays API
2019 · calendarific.com · its alternatives →
2
FestDays▲67
Global Holiday Data API made easy
2020 · festdays.dev · its alternatives →
3
Holiday API▲11
API for holiday data
2017 · holidayapi.com · its alternatives →
4
Calendarific - Holiday API▲2
A RESTful service for obtaining bank and public holidays
2019 · calendarific.com · its alternatives →
5
Foiz▲70
Easily track your yearly holidays, to get the most of them
2020 · cluth.co · its alternatives →
6
DayAware▲11
Track global holidays easily
2023 · apps.apple.com · its alternatives →
7
Calendly Mobile▲226
Share your availability, on-the-go
2019 · apps.apple.com · its alternatives →
8
Building a 'liturgical lightbulb', bringing the Calendar to life▲109
deno library creating a liturgical lamp. Contribute to grahame/pharus development by creating an account on GitHub.
2024 · github.com · its alternatives →
9
Food Holidays▲94
National days for foodies
2024 · apps.apple.com · its alternatives →
10
holidays.rest▲8
A comprehensive and flexible public holidays API
2024 · holidays.rest · its alternatives →
11
Holiday Calendars▲2
Public holidays worldwide by country and year
Jun 2026 · holidaycalendars.org · its alternatives →
12
HolidayCalendar▲2
Global Holidays, Clearly Organized
Jun 2026 · holidaycalendar.org · its alternatives →
13
Cronofy API▲69
Unified Calendar API for developers
2015 · cronofy.com · its alternatives →
14
Every Year▲172
A perennial calendar that helps you remember annual events
2024 · apps.apple.com · its alternatives →
15
How many days until?▲156
Count down the days to holidays, seasons, movies, sports events and more. Live countdown timers and clocks for every event — personalise with effects, backgrounds and sharing.
2016 · days.to · its alternatives →
16
Groundhog-day.com – structured groundhog data▲120
Over the last year, I've worked on aggregating Groundhog data, including predictions, location, and a cute photo. Welcome to GROUNDHOG-DAY.com: The clean and breathable, machine-readable, all-regional data source for Groundhog Day forecasts. Find your fave groundhog, peruse past predictions, or trek the continent-wide Groundhog Map. Includes enterprise-grade API for corporate use cases.
2023 · groundhog-day.com · its alternatives →
17
Public Holiday app for Slack▲86
Change user status during public holidays in their country
2024 · blixtdunder.com · its alternatives →
18
Holidays in US▲9
Holidays Countdown, source, event ceremony, taboos
2024 · holidaycalendar.net · its alternatives →
19
SunTimes▲85
See the time of sunrise and sunset all around the world.
2019 · play.google.com · its alternatives →
20
Things to Do API▲57
Fast, accurate, localized events API for agentic applications: every show, concert, pop-up, market and party as JSON, over REST or MCP. Free to start.
7d ago · thingstodoapi.com · its alternatives →
21
OI Calendar▲78
Encrypted, decentralized alternative to Google calendar
2019 · cal.openintents.org · its alternatives →
22
Checkiday▲3
The world's most trusted holiday resource
2021 · checkiday.com · its alternatives →
23
PublicHolidays▲9
Countrywise Holiday Calender
Nov 2025 · publicholidays.live · its alternatives →
24
Countdown Extension▲69
Counting down to your favorite holidays & events
2015 · chromewebstore.google.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →