Dev tools · alternatives · 2026

24 alternatives to Calendarific

Global Holidays API

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Calendarific launched in 2019; newer entries below may have overtaken it.

1. 1
   Calendarific - Holiday API▲2

   A RESTful service for obtaining bank and public holidays

   2019 · calendarific.com · its alternatives →

2. 2
   FestDays▲67

   Global Holiday Data API made easy

   2020 · festdays.dev · its alternatives →

3. 3WH
   Worldwide Holidays and Observances RESTful API▲6

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

   2020 · calendarific.com · its alternatives →

4. 4
   Cronofy API▲69

   Unified Calendar API for developers

   2015 · cronofy.com · its alternatives →

5. 5
   Google Calendar▲413

   Spend less time managing your day, now on iOS

   2015 · gmail.googleblog.com · its alternatives →

6. 6
   Yearly▲160

   Simple and colorful calendar app.

   2016 · apps.apple.com · its alternatives →

7. 7
   Calendar▲257

   Smart calendar that makes teams more productive

   2020 · its alternatives →

8. 8
   Hugo Calendar▲276

   Calendar, notes, and tasks app - make every meeting worth it

   2022 · its alternatives →

9. 9CA
   Calendar API for Developers▲9

   2019 · campaigndays.com · its alternatives →

10. 10
    DayAware▲11

    Track global holidays easily

    2023 · apps.apple.com · its alternatives →

11. 11
    Calendly▲116

    Simple, beautiful scheduling

    2015 · calendly.com · its alternatives →

12. 12
    Holiday API▲11

    API for holiday data

    2017 · holidayapi.com · its alternatives →

13. 13CR
    Calenday, real-time collaborative calendars for trip planning▲207

    2022 · calenday.co · its alternatives →

14. 14
    Foiz▲70

    Easily track your yearly holidays, to get the most of them

    2020 · cluth.co · its alternatives →

15. 15
    Calendarist▲184

    Time blocking companion for Google Calendar

    2020 · trycalendarist.com · its alternatives →

16. 16
    Holiday Calendars▲2

    Public holidays worldwide by country and year

    Jun 2026 · holidaycalendars.org · its alternatives →

17. 17
    Simpliday▲137

    An all-In-One Calendar

    2016 · apps.apple.com · its alternatives →

18. 18
    OI Calendar▲78

    Encrypted, decentralized alternative to Google calendar

    2019 · cal.openintents.org · its alternatives →

19. 19
    A React.js yearly calendar component▲94

    React.js Yearly Calendar Component. Contribute to BelkaLab/react-yearly-calendar development by creating an account on GitHub.

    2015 · github.com · its alternatives →

20. 20
    Datetime.app▲15

    Created Datetime.app, a sleek alternative to time.is. AI nailed the features with minimal requirements—truly impressive!

    2025 · datetime.app · its alternatives →

21. 21
    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.

    11d ago · thingstodoapi.com · its alternatives →

22. 22
    Google Calendar programmatic event bulk insert and listing for Node.js▲33

    Google Calendar command line tool for Node.js. Contribute to toniov/gcal-cli development by creating an account on GitHub.

    2017 · github.com · its alternatives →

23. 23
    HolidayCalendar▲2

    Global Holidays, Clearly Organized

    Jun 2026 · holidaycalendar.org · its alternatives →

24. 24
    365 Days Calendar▲9

    Find the day of the year and days between dates

    2025 · apps.apple.com · its alternatives →

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 →